Question: In what year was the Cincinnati, Ohio festival founded that had the American rock band with Christopher Bear as a member perform?
Sentence (from "Grizzly Bear (band)"): The band consists of Edward Droste (vocals, guitar, keyboards, omnichord), Daniel Rossen (vocals, guitar, banjo, keyboards), Chris Taylor (bass, backing vocals, various instruments, producer), and Christopher Bear (drums, backing vocals).
Relevant evidence: Yes