Blues in Ab is fairly close to Blues in G on the chromatic at least when playing in the dominant temperament (major 3 and flat 7). When you get to flatting the 3 and playing minor pentatonic its totally different though. I do some comparison with a Db diatonic if you’ve got one of those you might want to break it out. I don’t do a deep dive into blues in Ab here because I will be covering it on Volume 3 of my harmonica course. Volume 1 of my harmonica method can get you started jamming in the keys of F, C, D, G on a C chromatic harmonica: Volume 1 DVD is on sale! Same content as the streaming version. USA orders only for the DVD: Have you started Volume 2 of my harmonica method? Learn some new keys!:
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