From the MCRFB archive files:
THE TOP 35 HITS ON WXYZ ON THIS DATE IN 1966
WXYZ 1270 Detroit Sound Survey; No. 06 issued May 23, 1966 under Lee Alan, Program Director; WXYZ
(WXYZ 1270 Detroit Sound Survey for May 16, this date 1966; survey courtesy the Jim Heddle Collection. For the previous weekly WXYZ May 16, 1966 survey click here).
This brings back many memories. My brothers Tom and Jon were in the Tidalwaves that recorded Farmer John.