Speak No Evil is the title composition from Wayne Shorter's landmark 1964 album, recorded with Freddie Hubbard on trumpet, Herbie Hancock on piano, Ron Carter on bass, and Elvin Jones on drums. The piece is deceptively simple on the surface, built around long tones that outline open-vista harmony in its main theme, while a staccato bridge resembling the angular style of Thelonious Monk stairsteps up and down with strategic accents. Beneath this accessible presentation lies considerable harmonic sophistication, as the melody tells one story while the chord changes nudge musicians elsewhere, into a realm where instinct matters more than intellect. This characteristic tension between apparent simplicity and harmonic depth defines much of Shorter's compositional voice. The tune resists conventional bebop vocabulary, encouraging a melody-first approach to improvisation that requires players to discover its specific quirks and temperament before they can solo effectively. Shorter composed the piece during a remarkably productive year that also yielded Night Dreamer and Juju, a period in which he was graduating from Art Blakey's Jazz Messengers and developing his distinctive approach to balancing hard bop rhythmic fire against delicately loosened tonal harmony. The album sits alongside recordings like Eric Dolphy's Out to Lunch and Herbie Hancock's Empyrean Isles as a defining document of Blue Note's mid-1960s post-bop era, and the title track stands as one of Shorter's most poignant and enduring compositions.