Violinists, violists, cellists, pianists and many other instrumentalists practice three octave scales in all keys on a daily basis. This establishes and maintains technical competency and a core knowledge of their instruments, as well as a fundamental understanding of the foundation of Western music. As a violist, I begin every practice session with three-octave major and minor scales and arpeggios in all keys. This routine, along with other studies and repertory, has been essential in building the muscle memory that has been vital to my work for over 27 years as a studio musician. Muscle...