Mark Lettieri Group / Sam Greenfield

Mark Lettieri is a Grammy-nominated guitarist, composer, and producer based in Fort Worth, Texas. Proficient in a multitude of styles, he records and performs in virtually every genre of popular music with both independent and major label artists. He also composes and produces original instrumental music under his own name.

Playing in the vibrant Metroplex gospel and R&B scene led Lettieri to join the jazz/world group Snarky Puppy in 2008, where he contributes as a guitarist, arranger, and composer. The group has earned three Grammy Awards: Best R&B Performance for “Something” featuring Lalah Hathaway in 2014 and two wins for Best Contemporary Instrumental Album (Sylva in 2016 and Culcha Vulcha in 2017). Snarky Puppy tours constantly, having performed on every continent except Antarctica.

Outside of Snarky Puppy, Lettieri has released six albums as a leader, most recently Deep: The Baritone Sessions, Vol. 2, which reached number two on the iTunes jazz chart in 2021 and has been nominated for a Grammy in the Best Contemporary Instrumental Album category. 

As an in-demand session guitarist and touring sideman, Lettieri has logged miles with neo-soul icon Erykah Badu, gospel singer Anthony Evans, and American Idol: Season 11 winner Phillip Phillips. He’s also performed with a range of other artists, including Nelly, Anthony Evans, Chrisette Michele, Myron Butler, N'dambi, Bilal, and even comedians Dave Chappelle and Harry Shearer.

Lettieri’s session recording work includes artists such as David Crosby, Kirk Franklin, the Jacksons, Fred Hammond, Tori Kelly, 50 Cent, Ledisi, Tamela Mann, Eric Roberson, Lecrae, Lupe Fiasco, Keyshia Cole, and Xzibit.

Sam Greenfield is an American saxophonist, composer, and multi-instrumentalist. He is most commonly seen playing with Vulfpeck guitarist Cory Wong, but has also recorded and performed with artists like Ed Sheeran, Mariah Carey, Queen Latifah, Thank You Scientist, and more.

He has released three albums as a solo artist and regularly performs with his own group. His original music spans many genres, including funk, jazz fusion, and pop. He was born and raised in Philadelphia, but is currently based in New York City.