The guitarist, singer and songwriter, who died at 78, cut his own path among his elders in the Grateful Dead, and beyond.

In 1975, David Bowie and John Lennon teamed up to write Fame, a collaboration that gave Bowie his first U.S. No. 1 single.

Mark Feld was born in London in 1947, and adopted the stage name Marc Bolan as a teenager. Like many British rock stars of ...