In this 2011 photo, rapper Heavy D, also known as Dwight Arrington Myers, performs during the BET Hip Hop Awards in Atlanta. In recent years a series of notable rappers have died of drug- and health-related causes. Since 2011, hip-pop pioneer Heavy D, singer and rap chorus specialist Nate Dogg and New York rapper Tim Dog all died of ailments in their 40s. (AP Photo/David Goldman, file)

In this 2011 photo, rapper Heavy D, also known as Dwight Arrington Myers, performs during the BET Hip Hop Awards in Atlanta. In recent years a series of notable rappers have died of drug- and health-related causes. Since 2011, hip-pop pioneer Heavy D, singer and rap chorus specialist Nate Dogg and New York rapper Tim Dog all died of ailments in their 40s. (AP Photo/David Goldman, file)