Carl Wilhelm August Blum  was a German singer, stage actor, a producer, a Librettist a composern and a guitar player.

Blum was pupil of Friedrich Adam Hiller and later of  Antonio Salieri.Became a yard composer of the royal yard opera in Berlin.

Carl Blum left also composed an amazingly extensive chamber music work with guitar as well as music for guitar solo, also  a guitar school.A very high degree of difficulty of the works expels it as an excellent guitarist.