PHOTO: JOHN O’NEILL ’13

PHOTO: JOHN O’NEILL ’13

Marking the completion of Dean’s Date work, about 2,500 students celebrated at a “silent disco” Jan. 15 in Dillon Gym, dancing and singing to Swedish dance-music sensation Basshunter, above, and mashup DJs The Jane Doze. The only thing seemingly missing was the music — piped directly into the wireless headsets worn by each student.