Piano

The Piano

Sonic Pi plays all piano keys. The command play 70 means the 70th key, play 71 plays the next to the right. Sonic Pi plays also decimal notes, try play 71.67. Also, you can play multiple notes at the time:

play 72
play 75
play 79

Melody

Use sleep command in between.

s  = 0.5
play 72
sleep s
play 75
sleep s
play 79

Notes

The notes C, D, E, F, G, A, B are available. Also, the black keys are there; use s as sharp or b as flat.

play :C
sleep 0.5
play :D
sleep 0.5
play :E

The different octaves are available as numbers, try play :C3 or play :Fs3.

https://upload.wikimedia.org/wikipedia/commons/c/c0/Klaviatur-3-en.svg

Chords

Chords are usually written on top of the charts.

play chord(:D, :minor7)
sleep 1
play chord(:D, :major7)
sleep 1
play chord(:D, "7")
sleep 1
play chord(:Db, "7")
sleep 1
play chord(:Db, :major7)
sleep 1

play chord(:E3, :minor)
sleep 1
play chord(:E3, :major)
sleep 1
play chord(:E, "7")
sleep 1
play chord(:G, :minor7)
sleep 1
play chord(:A, :major)
sleep 1
play chord(:G, "m7-5")

Also, you can type the chord in once: play_chord [:c4, :e4, :g4]. More chords are available at e.g. progression map.

Variables

Play all the keys starting from the 60th key.

nappain = 60
live_loop :kaikki do
  play nappain, attack:0.01, sustain:0.1, release:0.9
  sleep 1.5
  nappain  = nappain + 1
end