After graduating, he joined two of his friends from Yale—Sean Slade and Paul Q. Kolderie—in the band Sex Execs, in which Fitting played baritone saxophone.
[2] Fitting's playing was prominent in the sound of 1980s/early 1990s Boston quartet Treat Her Right, which featured Mark Sandman.
"[4] Trouser Press noted that the songs were "all given added juice by Jim Fitting's wailing harp work.
"[6] A book about this band and its leader, Matt Johnson, observed that Fitting helped draw audience approval with enthusiastic performances.
In 2018, a Vermont newspaper, the Times-Argus, described the musical collective and Fitting, "an astoundingly good harmonica player."