Infant Eyes is a Wayne Shorter composition first recorded in 1964 for the Blue Note album Speak No Evil. It is a post-bop ballad noted for its tonal ambiguity and shifting key centers, which creates an ever-changing backdrop for improvisation. The original recording features a stellar lineup: Wayne Shorter on sax, Freddie Hubbard on trumpet, Herbie Hancock on piano, Ron Carter on bass, and Elvin Jones on drums. The tune is known for its sophisticated harmony and inventive scales and chords, including advanced environments that invite players to visualize scales within scales. It remains a benchmark piece for advanced jazz improvisation and harmonic analysis.