From Wikipedia, the free encyclopedia Jump to: navigation, search Jennifer Hartswick is a singer and Trumpet player from Burlington, Vermont. She is best known for her work with Phish guitarist Trey Anastasio, performing with Anastasio's first backing band and the new Trey Anastasio Band (formerly known as 70 Volt Parade). Jennifer also fronts the Jennifer Hartswick Band. From www.JamBase.com/Artists/17834/Jennifer-Hartswick-Band/Bio/ Jennifer Hartswick is one of the most refreshing new voices of the twenty first century.