(Photo Courtesy of Linda Seronello) Two Brook Hill School students, Mason Lieberman and Daniel Sharpless, at the invitation of Ben Lauderdale, entertained the East Texas Tyler Ostomy Support Group on Sunday, Feb. 14, at ETMC. Lieberman, a cellist, is a senior who plans to attend Stephen F. Austin University to study cello under Dr. Raycheve. Sharpless, a double bass player, is a sophomore at Brook Hill, where he is also the captain of the drum line.