After majoring in piano performance in college, Seth branched out, working not only as a pianist, but also as a musical director, conductor, arranger, and composer. In the theatre, he has Off-Broadway, national tour, and opera credits. He toured with singers Michael Crawford and Shirley Bassey, and also on two Windham Hill Winter Solstice tours. He recorded tracks for hip-hop projects at Dr. Dre’s Record One studios, and played piano on Wendy Waldman’s release of her pop hit Save the Best for Last.