Master Sergeant Glenn Robertson, bass, is originally from Spencer, Massachusetts. Prior to joining Six-String Soldiers, he had the privilege of opening for and sharing concert bills with such diverse acts as John Mayer, the Dirty Dozen Brass Band, George Clinton, Soulive, Martin Sexton, Colbie Caillat, Dave Barnes, Brett Dennen, and DJ Logic. MSG Robertson’s career has included appearances at venues ranging from the Montreal and Norwalk Jazz Festivals to the Hammerstein Ballroom, and New York City’s famous CBGB club. He holds a Bachelor of Music degree from the University of Massachusetts Amherst, where he studied with Thom Hannum, Bob Gulloti, Jeff Holmes, and Eduardo Leandro.