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Getting Started

Theodore Tsirpanis edited this page Apr 8, 2017 · 2 revisions

Getting Started with Sonic Pi

This documentation will help you get started with the Sonic Pi app. We'll show you how to install it on your Raspberry Pi, to launch it and finally how to program your first musical composition.

Installation

Installing Sonic Pi is simple. Open up a Terminal application and type:

sudo apt-get install sonic-pi

You will see all the dependencies download and install. You'll be asked to enable realtime mode for something called Jack. Simply say yes at the dialogue to continue.

Launching

Sonic Pi requires a windowed environment. Make sure you're either booting your Pi straight into X11 or type startx at the terminal prompt after you log in. The Sonic Pi application can then be launched using the 'start menu' at the bottom left of the screen.

Your first sound

The first command to learn is play this takes a number as a parameter. For example:

play 60

Type play 60 into the text pane and pressing the play button. You should hear a simple bell-like pling sound! Remember to plug your headphones or a speaker into the RPi!

Try changing 60 to other numbers. What happens if you choose a number too low or high? You might be interested to know that these numbers are MIDI numbers. See the following link for how MIDI relates to a piano and more standard note names: http://www.phys.unsw.edu.au/jw/notes.html

Your first piece

The next command to learn is sleep which also takes a number as a parameter. In this case the number doesn't represent pitch, it represents time:

sleep 1

This will force the program to pause for one second. You can use sleep to add delays in your composition allowing you to create a melody. Try writing a bunch of play and sleep commands such as:

play 60
sleep 0.25
play 62
sleep 0.5
play 66

Go ahead and start writing your own pieces!

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