Clevenger was principle horn with the Chicago Symphony Orchestra for 47 years.
Patricia Wise is retiring from the Jacobs School of Music after a decades long operatic career in the United States and Europe.
Hailstork is a Professor of Music at Virginia's Old Dominion University.
The new director of the Singing Hoosiers is nationally-known choral conductor, pianist, arranger and educator Steve Zegree.
WFIU presents Edmund Cord, featured performer for the month of January.