Piano Phase implementation in sonic pi

sonicPIANOphase.rb

#piano phase by Steve Reich
#implemented by dan tramte

use_synth :piano
for i in 120..121 do
    use_bpm i
    in_thread do
      loop do
        play (ring 64, 66, 71, 73, 74, 66, 64, 73, 71, 66, 74, 73).tick, pan: 120.5-i
        sleep 0.25
      end
    end
  end