“What we are looking at is really being an old-style, progressive rock station,” said Chris Wienk, WMHT radio v.p., describing the format switch that converted WBKK from a “hip classical” outlet to WEXT, a Triple A station dubbed “The Exit.” The change, which took effect on Saturday, ended WMHT’s 16-month experiment broadcasting two differentiated classical music services to Albany/Schenectady region of New York.