Mark Marinaccio is an American musician from Buffalo, NY.

As a pianist, keyboardist and vocalist Mark performs regularly. Whether solo or within an ensemble, Mark’s backgrounds in classical, jazz, pop and rock allow him to thrive in a variety of musical communities.

Mark co-founded Windtree Theory Records in 2020 with Michael Ballacchino for which he composes and produces materal for aspiring and established artists. Collaborations to date include Ali Critelli, Jaden Coronado, Emily Rodriguez and Alexa Feiner with several more in production. Featuring vocalist Sara Rogers, Windtree Theory released a music video for the single Just Fine in November 2021.

As a composer Mark has scored numerous short films, including Manolo Campos’ award-winning thriller Fragile. His music has provided the backdrop for GoodLifeEnt’s Not Another Slasher Film (2021) and Holtz & Briggs (2022) as well as Wolf Den’s Vagabonds, Voyages, and Very Expensive Things (2022). Pan-American Film Division’s feature film Mother’s Day (2021) includes a musical theme penned by Mark.

2010 saw the completion of Mark’s first symphonic work, September 1, 1939, a tone poem inspired by a work of W. H. Auden.

Mark served as co-founder, lead vocalist and keyboardist for BeArthur, an eight-piece band often described as “jazzy dance-funk.” Mark composed a majority of the band’s output, as well as the arrangements for its four-piece horn section. The band released its debut album Welcome to the Ongoing in 2006.

Under the umbrella of Mark Marinaccio Music he has assembled a versatile live band, Mark Marinaccio & Friends, with which he has produced numerous tribute shows as well as premiered original material. In 2021 Mark premiered Queen City, a tribute act performing the songs of British band Queen.

As an educator Mark has worked with thousands of students of all ages, primarily in the choral field. He teaches general music and digital production classes to middle school students, and accompanies various ensembles on the piano as well.

For thirteen years starting in 2007 Mark was the musical director for Party of Nine, a prominent wedding and event band based in Western New York. He performed as keyboardist and secondary vocalist – as well as horn and vocal arranger – for nearly 500 performances with the in-demand group.

(Mark has shared the bill with acts such as Average White Band, Big Bad Voodoo Daddy and Jimmie Van Zant. He has also opened for Rock and Roll Hall of Famers Blondie, and played keyboard for jazz trumpeter Tom Browne and 4-time Grammy-winner Deniece Williams.)