KMPX of San Francisco adopts progressive rock format 50 years ago #OnThisDay #OTD (Aug 6 1967)


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(Sunday, August 6, 1967)KMPX of San Francisco became the first radio station in the United States today to take advantage of new FCC regulations and to go to a progressive rock format.

The programming on the 106.9 FM frequency began a trend toward FM radio stations making the transition from “easy-listening” music to “album rock” music.