33+1⁄3 is a series of books, each about a single music album. The series title refers to the rotation speed of a vinyl LP, 33+1⁄3 RPM.

Warren Zanes is an American musician and writer who has been known as guitarist for The Del Fuegos, a solo artist, and the biographer of Tom Petty. A Ph.D. in Visual and Cultural Studies, Zanes is the former vice president of education and public programs for the Rock and Roll Hall of Fame and Museum and executive director of Steven Van Zandt's Rock and Roll Forever Foundation. Zanes has taught at several American universities, including Case Western Reserve University, University of Rochester, and New York University, where he has been teaching since 2015.