Some articles on chaynge:

Jorma Kaukonen - Jefferson Airplane
... "Greasy Heart", "If You Feel", "Spare Chaynge", "Hey Frederick" (which culminates in an extended lead guitar duet with himself), "Wooden Ships", and his original composition, "Feel So Good" ... 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 ... The improvisation marking "Spare Chaynge" is also present in the free-form extended jams, "Thing" and "Bear Melt," both live instrumentals recorded in 1968 ...