"Teo" is a Miles Davis composition that appeared on his 1961 Columbia album Someday My Prince Will Come. It was named for Teo Macero, the Columbia Records producer who worked with Davis from 1958 onward and became one of the most important producer-artist partnerships in jazz history. The piece is a medium-tempo post-bop composition featuring an unusual structure for Davis's work of the period. Rather than employing the modal frameworks he had explored on Kind of Blue, "Teo" uses a more harmonically active, through-composed form that resists easy categorization into standard song structures. The album version features Davis on trumpet alongside both John Coltrane and Hank Mobley on tenor saxophone, one of the last studio sessions to include Coltrane before his full departure from the group. Macero's role in Davis's career extended well beyond conventional production; he would later become instrumental in shaping the post-production of landmark albums such as In a Silent Way and Bitches Brew through innovative tape editing and splicing techniques. The dedication of this composition to Macero reflected a genuine mutual respect between the two, at a time when the producer-as-creative-collaborator concept was still relatively novel in jazz. The tune remains one of the lesser-performed pieces from the album, overshadowed by the title track and other selections, but it offers a revealing glimpse into Davis's compositional thinking during his transitional early-1960s period.