You might as well go all out if you're going to do John Cage

CAGE 18' 12", A Simultaneous Performance of Cage Works
·· Inlets (Improvisation II)
·· 0' 00" (4' 32" No. 2)
·· Duet for Cymbal
·· 45' for a Speaker

I do hope it is really simultaneous and not just sequential.