Book excerpt: Kelefa Sanneh's "Major Labels: A History of Popular Music in Seven Genres"

In his new book, "Major Labels: A History of Popular Music in Seven Genres" (Penguin), New Yorker writer and "Sunday Morning" contributor Kelefa Sanneh examines the genres that have dominated popular music over the last half-century.

You can read an excerpt below, and also listen to Kelefa Sanneh narrate his introduction of "Major Labels," from the audio book release.

Listen to an excerpt from "Major Labels"