This just came in – Billy Powell, long time keyboardist and key player for the hard rock Southerners, Lynyrd Skynyrd, was found dead recently, in his Jacksonville, Florida residence. Death struck him at the venerable age of 56. Tour dates that were up ’till now scheduled for the upcoming months have been canceled and the following has been posted on the band’s website: “A Great Loss — Beloved Pianist for the Lynyrd Skynyrd Band, Billy…