Mary Halvorson performs a Tiny Desk Concert on Dec. 12, 2012. Ryan Smith/NPR hide caption

itoggle caption Ryan Smith/NPR

Duke Ellington's compositions present a timeless contribution to American music's legacy. Victor Drees//Evening Standard/Getty Images hide caption

itoggle caption Victor Drees//Evening Standard/Getty Images

Pianist Darrell Grant is one of the anchors of the Portland jazz community. Hiroshi Iwaya/Courtesy of the artist hide caption

itoggle caption Hiroshi Iwaya/Courtesy of the artist

Donald Byrd onstage, in an image circulated by his record label at the time, Blue Note Records. Echoes/Redferns/Getty Images hide caption

itoggle caption Echoes/Redferns/Getty Images

J Dilla in the studio of fellow producer Madlib. Roger Erickson/Courtesy of the artist hide caption

itoggle caption Roger Erickson/Courtesy of the artist

Billie Holiday topped Jazz24's list of the greatest jazz vocal songs with "Strange Fruit." Hulton Archive/Getty Images hide caption

itoggle caption Hulton Archive/Getty Images

Chris Potter (center) performs live at the Village Vanguard. John Rogers for NPR/johnrogersnyc.com hide caption

itoggle caption John Rogers for NPR/johnrogersnyc.com

Marcus Gilmore (left) and Roy Haynes perform together in Washington, D.C., in 2009. Haynes' daughter is Gilmore's mother. Theo Wargo/Getty Images hide caption

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Jazz clarinetist Anat Cohen has a new album out called Claroscuro. Jimmy Katz/Anzic Records hide caption

itoggle caption Jimmy Katz/Anzic Records

Butch Morris leads a conduction at the 2007 Skopje Jazz Festival in Macedonia. Samir Ljuma for NPR hide caption

itoggle caption Samir Ljuma for NPR

Miles Davis' Live in Europe 1969: The Bootleg Series Vol. 2 is a compilation of previously unreleased material performed by a short-lived incarnation of his touring band. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist