If you are looking for the Blues Scale in the key of either A# or Bb flat you are actually looking for the same key, so I wrote it as A#/Bb.

The first box of the Blues Scale in the key of A#/Bb

blues scale 1st box pattern in the key of Bb

The second box of the Blues Scale in the key of A#/Bb

blues scale 2nd box pattern in the key of Bb

The third box of the Blues Scale in the key of A#/Bb

blues scale 3rd box pattern in the key of Bb

The fourth box of the Blues Scale in the key of A#/Bb

blues scale 4th box pattern in the key of Bb

The fifth box of the Blues Scale in the key of A#/Bb

blues scale 5th box pattern in the key of Bb

A Full Octave of the Minor Pentatonic scale in the key of A#/Bb

blues scale in the key of Bb