harry nilsson track listing worldwide single ep ( portugal ) chart performance certifications personnel harry nilsson - vocals gary wright - piano john uribe - acoustic guitar klaus voormann - bass jim keltner - drums paul buckmaster - string and horn arrangement mariah carey version mariah carey 's version , based on harry nilsson 's version rather than the badfinger original , was released as the third single of music box in the first quarter of 1994 , and in the united states it was released on 24 january 1994 , just over a week after nilsson had died following a heart attack on 15 january 1994 .