In both pieces, Louis Armstrong and Bix Beiderbecke and their instruments are what stand out in the songs. The tempo of the pieces are different with “I’m Coming to Virginia” being the slower tempo of the two.
Louis Armstrong normally has a real bright sound. In “The Potato Head Blues” the best way to describe his timbre here is something more "street". It’s not as refined. You can tell Louis hasn't had any formal training and is just raw talent. The bright colors that became his trademark come through vibrantly, but this is a blues chart, after all. Also, Louis starts all his solos with the same few notes and he has a vibrato all his own.
In “I’m Coming to Virginia” Bix Biederbecke has a timbre that is more classical, to an extent; precise phrasing, exact pitch, etc. Louis' solo is more in your face, full of excitement, but Bix is laid back, dare I say subdued. Chord