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

Crazy Horse doesn't just redeem Neil Young's mawkish moments — it transforms them. From left, Ralph Molina, Poncho Sampedro, Neil Young and Billy Talbot are Neil Young and Crazy Horse. Julie Gardner/Courtesy of the artist hide caption

itoggle caption Julie Gardner/Courtesy of the artist

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