Pent-Up House is a bebop composition by Sonny Rollins, first recorded in 1956 for the album Sonny Rollins Plus 4 on Prestige Records. The session featured an extraordinary lineup including Clifford Brown on trumpet, Richie Powell on piano, George Morrow on bass, and Max Roach on drums. It was recorded at Rudy Van Gelder's studio in Hackensack, New Jersey, and took on added historical significance because both Clifford Brown and Richie Powell died in a car accident just months later. Rollins composed the tune while serving as a member of the Max Roach-Clifford Brown Quintet, and the piece reflects his gift for crafting memorable melodies from economical materials. The melody is built from just a handful of notes arranged into insistent, rhythmically driven phrases anchored by dotted quarter note figures, creating a sense of coiled tension that the title seems to describe. The harmony relies on a series of ii-V progressions that move through several tonal centers before resolving. Orchestrated ensemble figures punctuate the form, giving the tune a punchy, interactive quality between soloists and rhythm section. Pent-Up House has become one of Rollins's most frequently performed compositions, sitting alongside St. Thomas and Sonnymoon for Two as a staple of the jazz repertoire. With over 75 documented recordings, it is a regular feature at jam sessions and gigs, valued for its concise structure and the improvisational possibilities it offers.