A snippet just for fun a piece in the "musique concrète (concrete music) " style…
Sounccloud Aléatoire #1
Suggestions and corrections are welcome! 
with_fx :level, amp: 0.4 do
use_random_source :white
live_loop :source do
bpm = rrand(10,300)
puts bpm
use_bpm bpm
sample (ring,:perc_bell, :ambi_piano).tick, rate: rrand(-12,24)
sleep 0.5
end
end