Keith Urban, John Mayer and More Musicians React to Gregg Allman's Death: 'My Heart Breaks Today'

The death of legendary Allman Brothers co-founder Gregg Allman sent the music industry into despair, with many stars sharing their sympathies on Twitter. The southern-blues rocker passed away at his home in Savannah, Georgia on Saturday, at the age of 69. He was diagnosed with hepatitis C in 1999 and underwent a liver transplant in 2010, according to The Hollywood Reporter. Musicians like John Mayer, Peter Frampton and Keith Urban shared memories and photos of Allman after hearing the news. "He ...