Karen Carpenter's singing and drum playing was the only real thing about brother and sister act to O

CANADA - AUGUST 05: Karen Carpenter's singing and drum playing was the only real thing about brother and sister act to O'- Keefe Centre last night, says Star staff writer Peter Goddard. Richard's family album routine reflected his temperament; wooden. Even audience participation in Sesame Street number became little more than a trick. (Photo by Doug Griffin/Toronto Star via Getty Images)