Born in Fort Defiance, Arizona within the Navajo Nation, Chacon became the first Native American to win a Pulitzer Prize for Music, for his Voiceless Mass in 2022.

[3][4] He was a student of James Tenney, Morton Subotnick, Michael Pisaro, Wadada Leo Smith and Christopher Shultis.

[6][7] His collective and solo work has been presented at Sydney Biennale,[8] Kennedy Center, the Whitney Biennial,[9] documenta 14,[10] Adelaide International, Vancouver Art Gallery, ASU Art Museum, Musée d'art contemporain de Montréal, the San Francisco Electronic Music Festival,[11] the Heard Museum,[12] Chaco Canyon, and Performance Today.

[13] Chacon also performs in the groups KILT with Bob Bellerue, Mesa Ritual with William Fowler Collins, Endlings with John Dieterich, and collaborations with Laura Ortman.

[9] In 2017, as part of Postcommodity, Chacon created the multimedia project, ...in memoriam, in Edmonton in 2017, curated by Ociciwan Contemporary Art Collective.