S4.E1 ∙ Audition 1Fri, Apr 6, 2018Featuring Chelmsford High School's The Thursdays, Bates College's The Crosstones, and Boston Jazz Voices.Rate
S4.E2 ∙ Audition 2Fri, Apr 20, 2018Featuring Nashua High School South Concert Choir, Brandeis University's Starving Artists, and Merrimack Valley a Cappella Choir.Rate
S4.E3 ∙ Audition 3Fri, Apr 27, 2018Featuring Wellesley High School's The Rice Street Singers, Confirmation, and BC Acoustics.Rate
S4.E4 ∙ Audition 4Fri, May 4, 2018Featuring Pingree School's Spectrum Vocal Ensemble, Bowdoin College's Miscellania, and Tonehenge.Rate
S4.E5 ∙ Audition 5Fri, May 11, 2018Featuring Berklee's CharlieChords, Danvers High School's Ingrid Sound, and Oure Pleasure Singers.Rate
S4.E6 ∙ Audition 6Fri, May 18, 2018Featuring Marblehead High School's Luminescence, Amherst DQ, and Rhythm of New Hampshire.Rate
S4.E7 ∙ Season FinaleFri, May 25, 2018Six groups advance to the finale, with one group from each category, high school, college and adult, hoping to take home the trophy.Rate