KOAS (105.7 FM, Jammin' 105.7) is a radio station broadcasting an urban adult contemporary format.
On August 8, 2001, KBYE flipped to smooth jazz as "The Oasis", with the station changing call letters to the current KOAS on the 14th.
[4][5] On December 26, 2009, after airing Christmas music for a month, KOAS dropped Smooth Jazz for Rhythmic AC, giving the market two stations in the format, the other being KPLV (which would shift to top 40 roughly four months later).
In November 2013, the long time "Oasis" moniker (from the previous smooth jazz format) was dropped in favor of "Old School 105.7".
[7] Musically, KOAS leans to Rhythmic Hot AC with hip-hop artists such as The Notorious B.I.G., Lil' Kim (and by extension Junior M.A.F.I.A.