TheConcertPiece
from the series ScoresForSoundPieces
dedicated to public domain by Lee Garcia, 2016

I.
organize a free concert/performance with your band and invite a support band you appreciate to play for half an hour

II.
improvise a long strong cadence as an outro for your openning song and keep playing strong improvised cadences until all audience or all band members leave

III.
if you make a recording, dedicate it to public domain