Cumulus Media’s “I97-5” KSZR has exited the CHR battle in Tucson and found its own music lane.  “97.5 The Vibe” debuted at noon Pacific on Friday, carrying sister network Westwood One’s recently minted 24/7 classic hip-hop format.

Naught By Nature’s “Hip Hop Hooray” got the wall-to-wall music started, which mixes old school rap hits with R&B throwbacks from the ‘80s, ‘90s and early 2000’s. “There is a passionate energy for this music, which defined an entire generation,” VP/market manager Ken Kowalcek said. “No one else in Tucson is playing these songs, so this is a huge opportunity for us and fills a real need in the market.”

KSZR ranked 10th among persons aged 12+ in Nielsen’s winter survey with a 2.4 share.