Some articles on chaynge:

Jorma Kaukonen - Jefferson Airplane
... Airplane includes "Greasy Heart", "If You Feel", "Spare Chaynge", "Hey Frederick" (which culminates in an extended lead guitar duet with himself), "Wooden Ships", and his original ... the acid rocker, "The Last Wall of the Castle," as well as the long (912) instrumental, "Spare Chaynge", cowritten with bandmates bassist Jack Casady and drummer Spencer Dryden ... The improvisation marking "Spare Chaynge" is also present in the free-form extended jams, "Thing" and "Bear Melt," both live instrumentals recorded in 1968 ...