After receiving his degree, Lou went on to perform jazz gigs with small combos, big bands, and as a solo pianist. Lou also composed music for radio and TV commercials as well as a documentary on Science Fiction in the late 1980s. He was in the studio quite often recording his own music or working as a sideman for other musician's recording projects.

During the mid to late 1990s, Lou composed music underscore heard on the CBS daytime drama "Guiding Light". He received Emmy Award Honors for his contributions during the 1995-96 television season.

Lou continues to compose and record music for professional libraries as well as other projects. Among Lou's current projects is composing cues for Jingle Punks, an online music library out of New York City that is used by many media outlets including ABC, NBC, Comedy Central, Vh1, MTV, Bravo, TLC, Starz, History Channel and A&E. Lou's work has been used on NBC's Saturday Night Live and on the syndicated Onion News Network, Real Housewives of Miami, Double Divas, Push Girls, Girl Code, Sunday Best, and In Play with Jimmy Roberts. Lou is also working on his own CD titled Jammin'. A compliation of tunes from Jammin' can be heard on Lou's demo page.

Lou has been an ASCAP member since 1993.