Complex sentence: William Norris "Billy" Powell (June 3,1952,--Jan.28,2009,) was an American musician, a longtime keyboardist of Southern rock band Lynyrd Skynyrd, from 1970 until his death in 2009.
Split into simpler sentences: William Norris "Billy" Powell (June 3,1952--January 28,2009) was an American musician. He was the longtime keyboardist of Southern rock band Lynyrd Skynyrd, from 1970 until his death in 2009.