“Eric Tingstad and Nancy Rumbel return to WICA for the annual Twelfth-Night concert on Jan. 6.The enduring musical marriage of Eric Tingstad’s guitar and Nancy Rumbel’s oboe will be heard again at the annual Twelfth-Night concert presented by Langley United Methodist Church on Jan. 6 at the Whidbey Island Center for the Arts. The Northwest duo is known for their contemporary acoustic music that reflects their concern for preserving natural, architectural and endangered treasures. They have been performing throughout North America for more than 12 years and have recorded several albums, most recently, American Acoustic and Pastorale.This is the 16th year of the Twelfth Night concert tradition. The concert begins at 7:30 p.m. All seats are $15. Call WICA at 221-8268. “