R.I.P.

He created the iconic image in just a few days.

Broadway legend earned fame — and controversy — with counterculture classic.

Lifelong sideman also played with Rick Springfield, David Lee Roth and many more.

He was the principal lyricist and singer behind eight Top 40 hits in the '70s, including the ageless "Summer Breeze."

Such, who departed in 1994, is credited on the band's first five albums.

The artwork for 'Destroyer' and 'Love Gun' were just some of the many pieces he created throughout his career.

He released 20 albums across his influential career.

Multi-instrumentalist "had a true heart of gold," bandmates write in tribute.

Prog band's longest-tenured member also played with George Harrison, Joe Cocker and Ginger Baker.

Greek composer's catalog spans electronic music, progressive rock and major film scores including Oscar-winning Chariots of Fire.'