Tutorial: Creating a Sonic Pi Sound with Ruby

Love for the shaman

Tutorial: Creating a Sonic Pi Sound with Ruby

Introduction

Sonic Pi is a powerful live coding environment that allows you to create music using code. In this tutorial, we'll explore a simple piece of music using Sonic Pi and explain how to modify it to create your own unique sounds.

Prerequisites

Before we begin, make sure you have Sonic Pi installed on your system. You can download it from the official website: Sonic Pi.

The Code

Here's the Ruby code i wrote:

use_bpm 95

live_loop :bass do
  use_synth :fm
  play :a2, release: 0.5
  sleep 1
  play :c3, release: 0.5
  sleep 1
  play :e3, release: 0.5
  sleep 1
  play :a3, release: 0.5
  sleep 1
  play :g2, release: 0.5
  sleep 1
  play :b2, release: 0.5
  sleep 1
  play :d3, release: 0.5
  sleep 1
  play :g3, release: 0.5
  sleep 1
end

live_loop :ethereal_keys do
  use_synth :prophet
  play_chord [:a3, :c4, :e4], release: 2
  sleep 4
  play_chord [:g3, :b3, :d4], release: 2
  sleep 4
end

live_loop :drums do
  sample :bd_haus, amp: 2
  sleep 1
  sample :sn_dolf, amp: 1.5
  sleep 1
end

Explanation

Let's break down the code:

1. Setting the BPM: use_bpm 95 sets the tempo of our music to 95 beats per minute.

2. Bass Loop:

   • We use the :fm synth (frequency modulation) to create a bass sound.
   • The play commands specify the notes (e.g., :a2, :c3) and their release times.
   • The sleep commands introduce pauses between notes.

3. Ethereal Keys Loop:

   • We use the :prophet synth to create ethereal keys.
   • The play_chord commands play chords (e.g., [:a3, :c4, :e4]) with a longer release time.

4. Drums Loop:

   • We use samples (:bd_haus for bass drum and :sn_dolf for snare) to create a basic drum pattern.

Experimenting and Customization

Now that you understand the code, feel free to experiment:

• Change the synths (e.g., try :piano, :pluck, or others).
• Modify the notes and rhythms.
• Add your own loops or effects.

Conclusion

You've just scratched the surface of what Sonic Pi can do! Keep exploring, and soon you'll be creating your own mesmerizing tunes. 🎵

For inspiration, check out this YouTube video featuring Sonic Pi in action: Sonic Pi Live Coding.

Happy coding! 🎧🎶