Misterioso is a jazz composition by Thelonious Monk, first recorded in 1948 for Blue Note Records with vibraphonist Milt Jackson. The piece is built on a hypnotic, riff-based groove featuring an angular melody constructed from a series of major and minor sixths, creating dissonant harmonies that evoke an enigmatic, mysterious mood befitting its title, which plays on the words "mist" and "mystery." Monk's signature blue-note approach is woven into the composition, with idiosyncratic voicings that deviate from expected tonal centers, generating an atmosphere of unpredictable tension within a fundamentally bluesy framework. The tune became one of Monk's most performed and influential pieces, a staple of his working repertoire that he continually reinterpreted with different personnel across his career. The landmark 1958 live recording at the Five Spot Cafe in New York City, released on Riverside Records as the album Misterioso, captures the Thelonious Monk Quartet with Johnny Griffin on tenor saxophone, Ahmed Abdul-Malik on bass, and Roy Haynes on drums. Griffin's aggressive, excursive bop tenor work on this version is particularly celebrated. Monk also performed the piece at the Village Gate and Lincoln Center in subsequent years, and it remains a significant standard in the core jazz canon, widely performed for its blend of bluesy directness and harmonic mystery.