This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Charlie Christian Jazz Exercise Twelve Bar Blues. en twelve bar blues chorus in the style of Charlie Christian This exercise is loosely based on the first chorus of Profoundly Blue and is transposed semitone down from flat to own Sluffs other versions Created by the author using Sibelius software cczero Twelvebar blues