Bob Lefsetz, Santa Monica-based industry legend, is the author of the e-mail newsletter, "The Lefsetz Letter". Famous for being beholden to no one, and speaking the truth, Lefsetz addresses the issues that are at the core of the music business: streaming, touring, ticketing and the music itself. His intense brilliance captivates readers from Steven Tyler to Kid Rock to Quincy Jones to music business honchos like Michael Rapino, Irving Azoff and Rob Stringer. In these days of turmoil, "The Lefsetz Letter" is a must-read. Never boring, always entertaining, Mr. Lefsetz's insights are fueled by his stint as an entertainment business attorney, majordomo of Sanctuary Music's American division and consultancies to major labels.