Joshua Barroll and Alana Weiss have been working together with Unstrumental and Bare Rhythm for almost 15 years now. Under their direction, Unstrumental and Bare Rhythm have released 2 albums and won numerous awards and competitions. Most recently, Unstrumental won 1st place at the LAAF Scholastic A Cappella Competition against some of the best high school and collegiate a cappella groups in the country.

Marc Silverberg is an adjunct professor at Five Towns College and the Director of Education for CASA.org. He is the author of “Quest for the A cappella Major,” a blog that discusses the continuing education of contemporary a cappella music and group improvisation. He has presented workshops on vocal improvisation at several CASA.org sponsored festivals, SUNY Purchase, The American Musical and Dramatic Academy in New York, and the American Choral Directors Association’s 2013 national convention. He is a graduate of the University of Delaware and Westminster Choir College.

Jennifer Davis is a vocal and general music teacher at Chautauqua Lake Secondary School in Mayville, NY. She directs 3 vocal ensembles in addition to teaching general music, guitar, songwriting and piano/theory. A native of Rochester, NY, Davis earned a Bachelor of Music degree from SUNY Fredonia (1995) and a Master of Music Degree from the Eastman School of Music (2000). Davis is also active in the New York State School Music Association, serving on the Curriculum Committee and as a presenter for both winter and summer conferences.

Jonathan Albertini is the Musical Director of 8-time BHA gold medalist choir, The Blenders Chorus.  He is passionately dedicated to the promotion of youth involvement in a cappella singing as current Musical Director and founder of the Blenders Youth Chorus. In 2013, Jonathan founded and directed of one of the largest annual youth development festivals, Voice In Paradise, which annually attracts hundreds of young male and female singers. Mr. Albertini is also the director of the mixed a cappella group at Griffith University called Serotonin, a High School all male chorus at A.B Patterson College, and a Sweet Adelines ladies chorus.

Artistic Director Scott Pietrangelo made his professional theatre debut at the age of nine in Hal Prince's "Show Boat". He has extensive performance background, including his lead role in recent productions of "The Last Five Years”, and as a featured soloist here at Carnegie Hall in March, 2012 as part of the bluegrass mass “The World Beloved” by Carol Barnett. Scott was assistant to the musical supervisor of Toronto's "Jersey Boys" and has been the Music Director of numerous shows at Port Hope's Capitol Theatre.  He enlivens many popular cabaret venues in Toronto, amassing a loyal following of rock and pop devotees.