The Grammy Award winning Shenandoah will perform at Northern Oklahoma College Tonkawa Thursday, Sept. 29, as part of the Carl and Carolyn Renfro Spring Lectureship Series.This tour is Shenandoah’s 35th Anniversary Tour. The event is sponsored by the Carl and Carolyn Renfro Endowed Lectureship Program and Northern Oklahoma College. The dinner will be held at the Renfro Center while the concert will be held in the Kinzer Performing Arts Center.When country music lovers talk about the greatest groups in the genre, Shenandoah is always at the forefront of any discussion. Fueled by Marty Raybon’s distinctive vocals and the band’s skilled musicianship, Shenandoah became well known for delivering such hits as “Two Dozen Roses,” “Church on Cumberland Road” and “Next to You, Next to Me” as well as such achingly beautiful classics as “I Want to be Loved Like That” and the Grammy winning “Somewhere in the Vicinity of the Heart” duet with Alison Krauss. Tickets may be purchased on a first come, first served basis for the event beginning Thursday, Aug. 25, at 9 a.m. Individual tickets for the concert may be purchased at a cost of $20 each. The concert begins at 7:30 p.m. The tickets are non-refundable.