Smallcomb recently held the drum chair at West Side Story on Broadway and  prior to this, was the percussionist at The Cher Show. Smallcomb has also performed in the Broadway productions of Moulin Rouge, The Music Man, Les Misérables, Miss Saigon, War Paint, Spongebob Squarepants and Something Rotten. 

As an orchestral percussionist, Smallcomb was Principal Percussionist with the Duluth Superior Symphony Orchestra in Duluth, Minnesota for four seasons, as well as section percussionist with Symphony in C for seven seasons. Smallcomb has performed with the Seattle Symphony, Malaysian Philharmonic, New World Symphony, Vermont Symphony, American Composers Orchestra, Orchestra of St. Lukes, The Pennsylvania Ballet and has performed various ensembles throughout the Americas, Asia, Europe, and Australia. 

He currently lives in New York City with his wife, Sherry.