sentences:  By the late 1950s, WTMA-FM was simulcasting much of the AM's programming full-time, which was Top 40 by that point.When the FCC started to limit simulcasts of AM and FM stations in the late 1960s, WTMA-FM became WPXI in 1972 with an automated "beautiful music" format.In 1975, WPXI changed to urban contemporary as "Super 95 Soul".