A group of African-American men are confronted by state troopers with bayonets at a street corner in the Watts neighborhood of Los Angeles. Express Newspapers/Getty Images hide caption

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John Coltrane during the recording of A Love Supreme in December 1964. Chuck Stewart/Courtesy of the Smithsonian's National Museum of American History hide caption

itoggle caption Chuck Stewart/Courtesy of the Smithsonian's National Museum of American History

Los Angeles' Skid Row contains one of the largest concentrations of homeless people in the United States. Robyn Beck /AFP/Getty Images hide caption

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Drummer, singer and bandleader Sheila E. unpacks the details of a rich musical life in the new memoir The Beat of My Own Drum. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist