Freddie Hubbard's compositional output, while secondary to his reputation as a trumpeter, produced several tunes that became staples of the jazz repertoire. Writing primarily for his own groups, he created instrumental pieces rooted in hard bop and post-bop that reflected the same technical ambition and energy heard in his playing. "Red Clay," the title track of his 1970 CTI album, became his most widely performed composition, a modal funk-inflected theme that has been covered and recorded extensively. "Straight Life" and "First Light," both from early 1970s CTI sessions, are similarly well known, with the First Light album earning a Grammy Award. From his earlier Blue Note period, tunes like "Birdlike," "Dear John," "Suite Sioux," "The Intrepid Fox," and "Delphia" appear on recordings by other musicians and remain part of the working jazz vocabulary. His writing drew on the harmonic language of hard bop while incorporating rhythmic elements from funk and fusion during the 1970s. Hubbard was a sideman on landmark recordings by Art Blakey, Herbie Hancock, John Coltrane, and Eric Dolphy, and these experiences informed the range and ambition of his own compositions.