A complete routine of 35 lessons showing how variations and arpeggios are formed in their relation to the fundamental chord. Demonstrates application of variations, arpeggios, double-stops, and scale forms to a given melody. Also includes a thorough demonstration of the invention of ideas, adaption from the piano-part, hot choruses, rhythm effects, and more. Originally published during 1936 and 1937 as a series of lessons available by mail, this title was one of the very first jazz improvisation methods to be published for any instrument.