This document summarizes notable musicians who passed away in 2015, including blues guitarist B.B. King who died at age 89 after multiple strokes, Motörhead leader Lemmy Kilmister who died of cancer at age 70, and country singer Lynn Anderson who died of a heart attack at age 67. A total of 17 musicians who died in 2015 are mentioned, spanning genres from blues, rock, metal, soul, and country.