Wynton Marsalis leads a group of musicians through upper Manhattan's Riverside Church for the New Orleans-style funeral of vibraphonist Lionel Hampton in 2002. Doug Kanter/AFP/Getty Images hide caption

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Bassist Charles Mingus leads a band at the 1964 Monterey Jazz Festival, including Lonnie Hillyer (trumpet) and Charles McPherson (alto sax, obscured). Ray Avery/CTSIMAGES hide caption

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Gary Bartz performs at the 1973 Montreux Jazz Festival. The saxophonist is often cited as a messenger of black empowerment in music. David Redfern/Redferns hide caption

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Don Byron released Love, Peace, and Soul with his New Gospel Quintet on Feb. 21. Till Krautkraemer/Courtesy of the artist hide caption

itoggle caption Till Krautkraemer/Courtesy of the artist

Agalloch and Ludicra drummer Aesop Dekker says he thinks Bobby Hutcherson is a sorcerer. Ross Sewage/Courtesy of Profound Lore hide caption

itoggle caption Ross Sewage/Courtesy of Profound Lore