Legendary soul singer Bobby Womack passed away today at the age of 70, confirms his record label XL Recordings. His sister tells TMZ that Womack passed away in his sleep and the cause is still unknown. The Rock and Roll Hall of Famer was diagnosed with colon cancer in 2012 and suffered from  for more info.
http://www.essence.com/2014/06/27/legendary-soul-singer-bobby-womack-dead-70