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                                               ~ alda ~

a music programming language for musicians

Clojars Project

Installation | Docs | Changelog | Contributing

( )


New to Alda? You may be interested in reading this blog post as an introduction.

Inspired by other music/audio programming languages such as PPMCK, LilyPond and ChucK, Alda aims to be a powerful and flexible programming language for the musician who wants to easily compose and generate music on the fly, using naught but a text editor. Alda is designed in a way that equally favors aesthetics, flexibility and ease of use, with (eventual) support for the text-based creation of all manner of music: classical, popular, chiptune, electroacoustic, and more!

Features

TODO

If you're a developer and you'd like to help, come on in -- the water's fine!

Syntax example

piano: o3
g8 a b > c d e f+ g | a b > c d e f+ g4
g8 f+ e d c < b a g | f+ e d c < b a g4
<< g1/>g/>g/b/>d/g

For more examples, see these example scores.

Installation

You must have Java 7+ installed on your system in order to run Alda.

(Chances are, you already have a recent enough version of Java installed.)

Mac OS X / Linux

  • Go to the latest release page and download alda.

  • Make the file executable:

      chmod +x alda
    
  • Make alda available on your $PATH:

    Using /usr/local/bin here as an example; you can use any directory on your $PATH.

    mv alda /usr/local/bin
    

Windows

  • Go to the latest release page and download alda.exe.

  • Make the file executable:

    • Go to your downloads folder, right click alda.exe to open up its file properties, and click unblock
  • Copy alda.exe to a location that makes sense for you. If you follow standard Windows conventions, this means creating a folder called Alda in your Program Files (x86) folder, and then moving the alda.exe file into it.

  • Make alda available on your PATH:

    • Go to the Windows System control panel option, select Advanced System Settings and then click on Environment Variables, then edit the PATH variable (either specifically for your user account or for the system in general) and add ;C:\Program Files (x86)\Alda to the end. Save this edit. Note that if you placed alda.exe in a different folder, you will need to use that folder's full path name in your edit, instead.

You will now be able to run Alda from anywhere in the command prompt by typing alda, but note that command prompts that were already open will need to be restarted before they will pick up on the new PATH value.

Updating Alda

Once you have Alda installed, you can update to the latest version at any time by running:

alda update

MIDI soundfonts

Default JVM soundfonts usually are of low quality. We recommend installing a good freeware soundfont like FluidR3 to make your MIDI instruments sound a lot nicer.

Mac OS X / Linux

For your convenience, there is a script in this repo that will install the FluidR3 soundfont for Mac and Linux users.

To install FluidR3 on your Mac or Linux system, clone this repo and run:

scripts/install-fluidr3

This will download FluidR3 and replace ~/.gervill/soundbank-emg.sf2 (your JVM's default soundfont) with it.

Windows

Replacing the JVM soundfont on Windows

To replace the default soundfont on a Windows OS:

  1. Locate your Java Runtime (JRE) folder and navigate into the lib folder.
  2. Make a new folder named audio.
  3. Copy any .sf2 file into this folder.

A variety of popular freeware soundfonts, including FluidR3, are available for download here.

Editor Plugins

For the best experience when editing Alda score files, install the Alda file-type plugin for your editor of choice.

Don't see a plugin for your favorite editor? Write your own and open a pull request to add it here! :)

Demo

To play a file:

alda play --file examples/bach_cello_suite_no_1.alda

To play arbitrary code:

alda play --code "piano: c6 d12 e6 g12~4"

To start an Alda REPL:

alda repl

Documentation

Alda's documentation can be found here.

Contributing

PRs welcome! See: CONTRIBUTING.md

:clap: :clap: :clap: A big shout-out to our contributors! :clap: :clap: :clap:

Support, Discussion, Comaraderie

Slack: Sign up to the universe of Clojure chat @ http://clojurians.net/, then join us on #alda

Reddit: Come join us in /r/alda, where you can discuss all things Alda and share your Alda scores!

License

Copyright © 2012-2016 Dave Yarwood et al

Distributed under the Eclipse Public License version 1.0.

Can you improve this documentation? These fine people already did:
Dave Yarwood, Mike Kamermans, Julien Eluard, Making GitHub Delicious & Chris Truter
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