text: This instrument plays the very opening notes of Miles Davis's "So What.
full_question: This instrument plays the very opening notes of Miles Davis's "So What." It is played by a musician who reworked "Watermelon Man" and placed it next to "Chameleon" in the album Head Hunters. On Kind of Blue, the tracks "Blue in Green" and "Flamenco Sketches" were written by both Davis and a performer of this instrument named Bill Evans. This instrument was played by the composer of the jazz standards "Straight, No Chaser" and "Round Midnight." A standard jazz trio comprises a double bass, drums, and this instrument played by Herbie Hancock, Thelonious Monk, and Dave Brubeck. For 10 points, name this jazz instrument with eighty-eight keys.
first_sentence: This instrument plays the very opening notes of Miles Davis's "So What.
raw_answer: piano