Gallery: Pentatonix strikes a chord at Ohio State September 29, 2014Mark Batke Avi Kaplan (left), Kirstie Maldonado, Scott Hoying, Mitch Grassi and Kevin Olusola, members of the a cappella group Pentatonix, perform at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. The quintet took the spotlight after winning Season 3 of NBC’s a cappella singing competition ‘The Sing-Off.’ Credit: Mark Batke / Photo editor Scott Hoying of the a cappella group Pentatonix performs at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor Avi Kaplan of the a cappella group Pentatonix performs at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor Kirstie Maldonado of the a cappella group Pentatonix performs at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor Mitch Grassi of the a cappella group Pentatonix performs at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor Pentatonix performs at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor Avi Kaplan of the a cappella group Pentatonix performs at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor Pentatonix performs at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor Scott Hoying (center) steps out to sing a solo as Pentatonix co-members Kirstie Maldonado (left) and Mitch Grassi look on during an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor Scott Hoying of the a cappella group Pentatonix performs at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor Pentatonix performs at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor Scott Hoying of the a cappella group Pentatonix performs at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor Pentatonix performs at an OUAB-sponsored event Sept. 29 at the Archie Griffin Ballroom. Admission to the event was free for students with a valid BuckID. Credit: Mark Batke / Photo editor
