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-hello everyone and welcome to the amax
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-golf
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-I am jonathan and in this talk I'm going
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-to demonstrate ways of producing sheet
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-music in Emacs
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-using lily pond and maybe also convince
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-you to use Emacs for writing your scores
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-so I'll start with an overview of the
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-syntax for those who are new to using
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-text based notation
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-as a shallow dive into the deep bond of
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-lilies and lily pawns
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-and move on to showcase some of its
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-functionalities using orb mode
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-and lily point mode one disclaimer
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-however I am not a lillipon developer
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-so what is lillipond lillipond is
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-a file format and music engraving system
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-for producing high quality sheet music
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-it translates texture representations of
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-music to graphical objects
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-so it's similar to latex in that its
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-input format describes the visual
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-layouts of the score
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-using commands to define musical
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-expressions
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-commands begin with a backslash for
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-example
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-the formatter command as shown on the
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-left yields its graphical equivalents on
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-the right
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-the fermata symbol over the load b and
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-so on and so forth
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-it's also fully extensible like Emacs
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-allowing users to extend
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-and override lilipon's functionalities
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-using the scheme
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-scripting language it can be used for
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-early in contemporary music
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-tablature vocal music lead sheets and so
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-on
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-and above all it works with Emacs in
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-fact
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-lily pond ships with imax lisp libraries
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-including a major mode for editing lily
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-pawn files
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-so the input files are similar to source
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-files
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-they contain expressions formed with
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-curly braces
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-comments that start with the percent
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-sign and the code is indented
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-nodes are entered using lowercase
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-letters and rests with the letter r
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-in this case the lowercase r or r4
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-is the equivalence of a crotchet or
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-quarter note rest
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-durations are entered using numbers and
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-dots after the note name
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-and if you do not specify 1 the previous
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-duration is used
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-you can also tie notes together using
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-the tilde symbol
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-in fact you can input chords lyrics
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-embellishments and a lot more
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-so I encourage you to read the menu for
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-more information
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-now let's switch to a terminal window
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-so with lillipond installed let's create
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-a test file with the extension
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-ly and open it in Emacs
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-at the top of the file is the version
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-statement which tells lillipond which
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-version to use when compiling the file
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-here I'm using version 2.20.0
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-I've added the clef and time signature
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-so
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-let's add some notes
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-okay I'm going to close this now and
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-compile the file by running
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-lily pawns followed by the file name
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-okay so now let's view the outputs
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-okay so here's a more complex example
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-for randomizing node sequences
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-the idea is to create new reading
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-materials each time the code blocks are
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-evaluated
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-so as usual we begin with a header I've
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-added the title
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-and composer then we add the node
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-sequences to use in the composition
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-in this case s n is a note name just
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-like
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-a b c d and so on and stands for snare
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-drum
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-the percussion instruments
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-now here's a function that's going to
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-shuffle the notes in the table
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-and finally we expand the notes inside
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-the lillypawn source block
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-so whatever the function returns is
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-expanded inside the drums block
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-now let's press ctrl c ctrl c to view
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-the results
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-okay and if I run this again it should
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-create a new composition
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-great you can also audition a piece
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-using the midi command
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-which creates a midi file of the score
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-note also that the ob library
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-sorry the ob lillypoint library comes
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-with two modes
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-the one I'm using now is called arrange
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-mode
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-and is useful for assembling complete
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-scores
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-the basic mode on the other hand allows
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-you to mix text and music
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-by embedding lily pawn snippets and
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-export them using typical org mode
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-commands
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-now to demonstrate the basic mode in
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-action I'm going to export this document
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-to a pdf
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-file in this case the
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-filehead argument is required so you
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-have to provide one
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-and include the file name
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-again you can run the code and view the
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-results
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-here it is so now let's
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-export this to pdf file
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-and here it is what it generates
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-now I'm going to show you the workflow I
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-used to produce music books in Emacs
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-combining lily pond and latex for a
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-perfect marriage
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-I begin by sketching first draft of the
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-manuscript using pencil and paper
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-then I move to Emacs to input the notes
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-in a git repository
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-this is a typical source file it begins
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-with a stylesheet
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-where I set variables and layout
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-settings although in general there's no
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-need for tweaking the layout
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-unless you have specific requirements to
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-do so
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-the easiest way to compile the file from
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-max is by pressing ctrl c
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-ctrl l so let's do this now
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-and the compilation buffer will tell you
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-if there were any errors in the file
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-now to automate the process of compiling
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-several files and building the pdf
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-I use gnu make so all I have to do is
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-open the shell
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-and run the make command and don't worry
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-I'll provide a link to the source code
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-on the last slide
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-as I moved forward with the project I
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-found at least two things missing
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-one I had no access to a metronome at
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-least not from the editor
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-so I built one for casual use and made
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-it available in the melpa repository
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-I also missed bar numbers in the source
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-file this
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-is useful when going back and forth
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-between input and output files without
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-getting lost
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-so I wrote a command for toggling bar
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-numbers which I hope you can see on the
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-left
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-also some expressions are difficult or
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-slow to write on the keyboard
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-accents and tuplets for example so I use
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-template expansion extensively for this
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-purpose
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-mainly yes snippets
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-so what do I think well I think
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-lillypond can be a sharp paradigm shift
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-but people used to gui alternatives but
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-the results are impressive
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-and you don't have to dive too deeply to
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-start using lillypod
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-likewise the ability to extend the
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-software I think is especially appealing
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-for music professionals
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-enthusiasts composers and the academic
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-community
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-for example allowing users to create
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-alternative notation systems required in
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-non-western music traditions
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-and other non-conventional requirements
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-also lillypod and Emacs both have
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-extensive and well-written manuals
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-and active communities of users
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-but if you're still not sure where to
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-start and when to wedge your feet in the
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-deep
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-but warm pond of lilies lily pawns and
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-lily pond users
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-I invite you to contribute to my lilly
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-pond projects
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-which you can do so from the links on
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-the screen
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-so thank you all I look forward to your
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-comments and I hope you enjoy the rest
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-of the conference
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