Euterpea is a cross-platform, domain-specific language for computer music applications embedded in the Haskell programming language. Euterpea is a wide-spectrum language, suitable for high-level music representation, algorithmic composition, music analysis, working with MIDI, low-level audio processing, sound synthesis, and virtual instrument design.
Getting Started with Euterpea
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Here’s what you need to do to install Euterpea for the first time and play your first note (there is also a video tutorial):
The Mac App Store and the Haskel for Mac Store version of Haskell for Mac are identical and priced the same. In particular, both versions protect your data using macOS sandboxing technology. For a 25% educational discount, please email a proof of eligibility (e.g., photo of your student id) from your institutional email to support. Kronos-Haskell 1.0 for Mac is free to download from our application library. The current setup file available for download requires 459.9 MB of hard disk space. The application relates to Developer Tools. This is a fork of the Source Code Pro repository. Hasklig – Ligatures for code Programming languages are limited to relatively few characters. As a result, combined character operators surfaced quite early, such as the widely used arrow (-), comprised of a hyphen and greater sign. Download Haskell for Mac and get started with our tutorial Learning Haskell right away. Learning Haskell teaches functional programming in Haskell from scratch. It has lots of examples and includes screencasts going through the key points step by step. Here is our introductory screencast explaining the basic use of Haskell for Mac.
- Install Haskell Platform for your operating system (recommended: any version from 8.4.3 through 8.6.5). You can use either the Full or Core version.
- Mac users: Haskell Platform 8.6.3 provides the simplest setup.
- Linux users: you must install ALSA (ex: sudo apt-get install libasound2-dev)
- Install Euterpea. Open a command prompt (Windows) or terminal (Mac/Linux) and run:
- Cabal 3.x users: use cabal v1-update and cabal v1-install instead.
You can check your cabal version using cabal –version from a terminal.
- Cabal 3.x users: use cabal v1-update and cabal v1-install instead.
- Install a synthesizer (Mac/Linux only): install a MIDI software synthesizer, such as SimpleSynth or Fluidsynth. Make sure it’s running before you start Euterpea in GHCi.
- Test Euterpea. Now, open a command prompt or terminal and run the following:
ghci
import Euterpea
play $ c 4 qn - Get HSoM (Optional). If you also want HSoM, which is the companion library for the Haskell School of Music textbook, you can install it with cabal install HSoM and import the library in GHCi with import HSoM.
- Mac users: to use HSoM’s musical user interfaces (MUIs), you must compile to executable rather than using the interpreter. Go to the download and installation page‘s section on “Testing HSoM’s MUIs” for information on how to do this.
Now you’re ready to head to theTutorials and Examples pages to learn about how to use Euterpea and try out some existing code. Once you’re ready to start building your own programs with Euterpea, head to the API Documentation for more information on Euterpea’s features.
Having installation trouble or don’t hear any sound? The Download and Installation page has more detailed installation walkthroughs and announcements about recent issues, and the Troubleshooting page has a list of solutions for common problems organized by category. For sound problems, you can also check out the Setting up MIDI page.
Looking for a text editor to use with Haskell & Euterpea? Here are some suggestions:
- Notepad++ (Windows only)
- Atom with a Haskell plugin (Windows/Mac/Linux)
- Or check out this extensive list of editor options.
Questions & Contact Info
If you are having trouble with either Euterpea or HSoM, first check the Troubleshooting page. Use the Euterpea GitHub issues page (or the one for HSoM if appropriate) to report any new problems. Please send all other questions and comments to Donya Quick.
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Recent News
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- (16-June-2019) Euterpea 2.0.8 on GitHub (development version) features a bug fix for some playback situations that result in dropped notes due to MIDI message ordering issues. If you are experiencing dropped notes with play or playDev, try installing 2.0.8 from GitHub.
- (13-June-2019) Euterpea 2.0.7 is on Hackage. It bumps the version of PortMidi and features some bug fixes for the cut/remove functions.
- (03-Nov-2018) Two new PDF slideshow-style tutorials are available on the Tutorials page.
- (05-Oct-2018) The Haskell School of Music textbook is now shipping on Amazon and Cambridge.
- (26-Sept-2018) Euterpea 2.0.6 is on Hackage. The only change in this version over 2.0.5 is a bug fix for infinite playback on Mac systems with multiple MIDI input/output devices.
- (03-July-2018) Euterpea 2.0.5 is on Hackage. Notable changes include dependency version bumps and a new module, Euterpea.IO.MIDI.ToMidi2, that provides a means to export more than one MIDI track with the same instrument assignment.
- (27-May-2018) Euterpea 2.0.4 is on Hackage is now compatible with Haskell Platform 8.4.2. If you had a failed installation with that version of the platform, please do a “cabal update” before trying the installation again.
- (17-Sept-2017) VividEuterpea lets you play Euterpea Music values with real-time audio processing using the Vivid library. It’s a one-file utility set that you can drop into your project folder. Vivid must be installed (easy to do with “cabal install vivid”) and SuperCollider must also be installed. SuperCollider must be running and have its server booted up before you try to play music with VividEuterpea.