Armstrong and Hardin were not listed on this session due to Armstrong's contract with Okeh; this session was for Victor. According to Thomas Brothers, the irregular blues form along with the irregular phrases used by Rodgers frequently threw off Armstrong until he reached his own solo chorus, where he sticks to a regular 12 bar blues form.
Armstrong and Hardin were omitted from this session because Armstrong had an agreement with Okeh; this session was for Victor. As stated by Thomas Brothers, the unusual blues pattern accompanied by the unusual phrases frequently perplexed Armstrong until he reached his own solo chorus, where he followed a standard 12-bar blues structure.