Blues Improvisation 4: The Intermediate BoxBlues ImprovisationToday I’m going to show you the intermediate box and how it connects to the beginner’s box. I’ll also give you a challenging homework assignment.Fig. 1Fig. 2 Related posts:Blues Improvisation 1: The Beginner’s BoxBlues Improvisation 2: Playing “Outside” The Beginner’s BoxBlues Improvisation 3: Sliding Out Of The Beginner’s BoxBlues Improvisation 8: Pentatonic Power