Blues in B flat on C Chromatic Harmonica 

To be honest I would much rather use a diatonic harp and play cross harp than use a chromatic on a shuffle blues but I also think this is one of the best ways to learn how to get around on the instrument.
I'm using a 14-hole harp on this one so I've got the low Bb.
Volume 2 of my improvising chromatic course teaches how to jam in Bb plus 3 other keys. Check it out: chromaticlesso...