The public is invited to witness professional vocal tutoring when Barton Community College holds a masterclass forum, from 9 a.m. to noon and 1-3:30 p.m. Saturday, March 12, in the Dorothy Moses Morrison Chapel in the Fine Arts Building on the Barton campus. Barton students and area high school students will perform and then receive vocal training and advice in a forum setting from guest clinician Dr. Brad Vogel, professor of choral music at Tabor College. Vogel will work with students throughout the day while audience members will have the opportunity to observe the techniques and methods he uses.