In early 1967 , when WRKO changed format to top - 40 , the station 's new management wanted to build the new radio station around a well - known local radio figure .
Ginsburg was station 's first choice .
In early 1967 , when WRKO changed format to top - 40 , the station 's new management wanted to build the new radio station around a well - known local radio figure , and Ginsburg was their first choice .