The idea Bruce Springsteen wrote, recorded and ultimately shelved entire albums of music may seem odd to the casual listener.

Sly Stone, an electrifying musician, songwriter and showman whose Sly and the Family Stone transformed popular music in the 1960s and ’70s, has died. He was 82.

Sly Stone, the multitalented musician whose psychedelia-laced funk enraptured Woodstock Nation in the late '60s and early '70s, has died. He was 82.

A promised album, “The Incredible and Unpredictable Sly and the Family Stone” (“The most optimistic of all,” Rolling Stone reported) never appeared.

Sly Stone performs at the Harlem Cultural Festival in 1969, featured in the documentary “Summer of Soul.” The singer-producer has died at the age of 82.

Sly Stone, an electrifying musician, songwriter and showman whose Sly and the Family Stone transformed popular music in the 1960s and ’70s, has died.