She is the winner of the ASCAP Herb Alpert Young Jazz Composer Award and has attracted attention from major music magazines and organizations.
Along with The James Mustafa Jazz Orchestra, she was booked to appear at the Melbourne Big Band Festival in Victoria, Australia on February 12, 2017.
In addition to Coss on tenor and soprano saxophones and clarinet, it featured Alex Wintz on guitar, Glenn Zaleski on piano, Rick Rosato on bass, and Jimmy Macbride on drums.
Coss has performed as a side musician with jazz greats including Clark Terry, Louis Hayes, Rufus Reid, Billy Kaye and Claudio Roditi.
Coss first started playing the piano at the age of five, where she learned the basics of music theory, composition, and ear training through the Robert Pace method.
Roxy graduated in 2004 from Garfield High School, where she toured and performed internationally with the world-renowned GHS Jazz Ensemble, led by Clarence Acox.
Roxy went on to attend William Paterson University, where she graduated on a full scholarship Magna Cum Laude in 2008, with a Bachelor of Music in Jazz Studies/Performance.
Roxy has also studied Saxophone privately with Rich Perry, Gary Smulyan, Donny McCaslin, and Mark Taylor.
Coss has served as an adjudicator for both the Northern Arizona University and Bellevue High School Jazz Festivals, and for the 2018 Vandoren Emerging Artist Competition.
WIJO intends to help level the playing field, so that women and non-binary people have equal opportunity to participate in and contribute to the jazz community, leading to an improved and more rich, diverse, and successful art form.