Thomson Reuters(Reuters) - Gregg Allman, whose soulful vocals made the Allman Brothers Band one of rock's top acts in the 1970s in a career that also was marred by tragedy and drug abuse, died on Saturday at the age of 69, his official website said. "It is with deep sadness that we announce that Gregg Allman, a founding member of The Allman Brothers Band, passed away peacefully at his home in Savannah, Georgia," it said. Drummer Butch Trucks, another founding member of the band, died aged 60 on Jan.