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When will KOST 103.5 FM make the switch to holiday music on the radio? – San Bernardino Sun
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KOST-FM lays off longtime afternoon DJ Mark Wallengren after 35 years on air – Daily News
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Exclusive Interview with Karen Sharp, Host of KOST 103.5's “Love Songs on the Coast” | HuffPost Contributor
KOST-FM launches 10th year of holiday music – Orange County Register
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KOST/Los Angeles Announces Return of Non-Stop Holiday Music
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