 As an undergraduate at Indiana University, Struble studied with John Eaton, Bernhard Heiden and Juan Orrego-Salas, in addition to seminars with John Cage, Iannis Xenakis, George Crumb, Virgil Thomson, Aaron Copland, Donald Erb and others.His undergraduate thesis was a one-act opera, "Pontifex" (Op.8), for theatre-in-the-round with multiple chamber ensembles in lieu of orchestra.