Amos J. Heller is best known as Taylor Swift's bass player. Heller has been performing with Taylor since 2007 and in addition to playing with her, Amos has recorded a track for the documentary "A Sweet Spot in Time".As bassist for Taylor Swift, Amos has toured the world and has played with guest artists such as Ed Sheeran, James Taylor, Tegan and Sara and Huner Hayes just to name a few. He has been featured in many music videos by Taylor Swift and live performances such as the Grammy Awards, Country Music Awards and many more.