(CNN)-- Billy Powell, keyboardist with the rock band Lynyrd Skynyrd, died of a heart ailment at his condo in the Jacksonville, Florida, suburb of Orange Park, police said Thursday. He was 56.

Lynyrd Skynyrd has consistently demonstrated their ... The group had just released their fifth album, Street Survivors, and were en route to Baton Rouge, L.A. when disaster struck.

For over six decades, the iconic tunes of American rockers Lynyrd Skynyrd have remained a staple ... keys maestro Billy Powell and Ed King were part of the ensemble. Bob Burns bowed out in 1974 ...

In 1977, a plane carrying Southern rock legends Lynyrd Skynyrd mysteriously runs out of gas mid-air en route to a concert, crashing into a dangerous Louisiana swamp while killing several of the band ...