Aucoin was born and raised in the Boston area. While attending
Medfield High School,[10] Aucoin was the keyboardist in an indie rock band, Elephantom.[11] He attended
Harvard College, where he studied poetry, graduating summa cum laude in 2012. His mentors at Harvard included Jorie Graham and Helen Vendler. While an undergraduate, Aucoin conducted productions of Die Fledermaus and Le Nozze di Figaro with the Dunster House Opera Society, now known as
Harvard College Opera.
Aucoin then received a graduate diploma from
The Juilliard School, where he studied with composer
Robert Beaser. Concurrently, he served as an assistant conductor at the
Metropolitan Opera. Between 2013 and 2015, Aucoin was the Solti Conducting Apprentice at the
Chicago Symphony Orchestra,[12] where he studied with Riccardo Muti. In 2013, he received commissions from the American Repertory Theater for the opera
Crossing,[13] based on Walt Whitman's Civil War diaries, and from Lyric Opera of Chicago for the children's opera Second Nature.[14] Both operas had their premieres in 2015.
In 2015 and 2016, a number of Aucoin's chamber and orchestral works had their premieres, including Evidence at the
Los Angeles Chamber Orchestra;[15] his
Piano Concerto, featuring pianist Conor Hanick and the
Alabama Symphony;[16] the song cycle Merrill Songs, premiered by tenor
Paul Appleby at Carnegie Hall with the composer at the piano;[17] and the violin sonata Its Own Accord,[18] premiered by violinist Keir GoGwilt.
In 2016, Aucoin was appointed Artist-in-Residence at Los Angeles Opera.[8] Between 2016 and 2020, Aucoin conducted a number of productions in Los Angeles, including Verdi's Rigoletto,[19] Philip Glass's Akhnaten,[20] and his own operas Crossing[21] and
Eurydice.[22]
Co-written with librettist
Sarah Ruhl, Aucoin's opera Eurydice was co-commissioned by The Metropolitan Opera and the Los Angeles Opera. It had its world premiere in Los Angeles in February 2020, conducted by the composer and starring
Danielle de Niese. Eurydice had its Met premiere in November 2021, conducted by
Yannick Nézet-Séguin and starring
Erin Morley.[23]
As a writer, Aucoin is a frequent contributor of musical criticism and other writings to
The New York Review of Books,[30] among other publications. His debut book, The Impossible Art was published in 2021 by
Farrar, Straus & Giroux.[31]