Tixier has worked in theater, film scoring, Broadway shows, for Sony Pictures, ARTE Creative, Heineken, Dos Equis, Fisher-Price, America's Got Talent on NBC, with Zedd on the David Letterman Late Show on CBS, for Josh Groban, Harvey Keitel, Robert De Niro, Sting, Jean Reno, Whoopi Goldberg, Marc Jacobs, Keith David, Pierre Palmade, Pierre Richard, David Ackroyd, NBA player Allan Houston, Christina Aguilera, Chrisette Michele, Doug E. Fresh, JR, Ariana Grande, and Monica Dogra.

He has performed and recorded with Stevie Wonder, Elton John, Roger Waters, Kenny Barron, John Legend, Chris Potter, Christina Aguilera, Common, Anthony Braxton, Joss Stone, Gladys Knight, Natalie Cole, Wayne Brady, Chris Walden, Greg Phillinganes, Ray Chew, The Isley Brothers, Cory Smythe, Maceo Parker, Janet Cardiff, Siegfried Kessler, Tony Middleton, Lonnie Plaxico, Myron Walden, Clifford Adams (Kool & the Gang), Helen Sung, Brice Wassy, Gerald Cleaver, Lew Soloff, Yvonnick Prene, Tigran Hamasyan, James Weidman, Marcus McLauren, Giada Valenti, and Tommy Sims.

On August 15, 2016, two of the songs "Dig It" and "100,000 Hours" from the album Cosmic Adventure were featured on NPR for the show Morning Edition hosted by David Greene, during This Week in Politics.

[4][5] On October 22, 2016 Tixier was performing with Kevin Spacey, Cassandra Wilson, Patti Austin, Andra Day, David Alan Grier and Lizz Wright alongside the Count Basie Orchestra at the Apollo Theater to celebrate the 100th Anniversary of Ella Fitzgerald.

[6] Cosmic Adventure was selected as "Best Albums Of 2016" by Downbeat Magazine[7] In 2021, Tixier was featured on Jermaine Stegall's score for the sequel of Coming 2 America starring Eddie Murphy.