The final code of an algorave session with Sonic Pi: the result is available here: http://www.newgrounds.com/audio/listen/745306

experimental.rb

live_loop :dubstep do
  use_synth :growl
  play_pattern_timed [:c4, :f53, :c3], 1, amp: 2
end

live_loop :drums do
  sample :loop_industrial
  sample :misc_cineboom
  sleep 0.9
end

live_loop :thing do
  sync :drums
  sample :vinyl_scratch
  sample :bd_tek
end