Fingerboard Mastery, Book One, Scales & Arpeggios (USC), by Frank Potenza & Nick Stoubis. This in-depth scale and arpeggio text is core curriculum at the University of Southern California?fs Studio Guitar Department, which is part of the prestigious Flora L. Thornton School of Music, located in Los Angeles, California. Using a comprehensive approach that includes three different organizational systems, it covers the technical foundation that is necessary for playing any style of music.