Also in the early 1970s , Sajak began DJ'ing at 50,000 - watt WSM in Nashville ; at the time WSM was playing pop music during the day .
Sajak was the 3 : 00 -- 5 : 00pm afternoon personality .
Also in the early 1970s , Sajak began DJ'ing at 50,000 - watt WSM in Nashville ; at the time WSM was playing pop music during the day , and he was the 3 : 00 -- 5 : 00pm afternoon personality .