> I would say 1973-1974. During that time, Boston had TWO
> all-oldies stations! The original WROR/98.5 ("The Golden
> Great 98!") and WCOP-FM/100.7 ("Total Gold 101"). In
> April, 1974, WCCM-FM morphed into the stereo-fied WCGY/93.7
> ("The Rock Garden"). WVBF/105.7 was still Top-40/Rock
> ("Stereo 105") with great announcers. FM was really coming
> on STRONG by then! And the Rock version of WCOZ/94.5 was
> still a year away!
Yes, that was a pretty good period. WBCN was still doing their progressive AOR thing as was WAAF, which was slightly more mainstream album rock (but still incredibly deep by today's standards!).
Top 40 was also heard on the bare-bones WBZ-FM 106.7, and WEEI-FM 103.3 was pioneering "Soft Rock" at the time.
On the AM side, WNTN 1550 Newton was doing full blown free-form "underground" rock a-la WBCN's late 60's days! WRKO was still standard Top 40 with the Drake format and DJ's like Dale Dorman and J.J. Wright, and WMEX 1510 had given up on John H. Garabedian's semi-progressive Top 40/AOR hybrid and went Top 40 "bubblegum" with a playlist that sounded like Barry Scott's "Lost 45's" specialty show does now. Garabedian's own WGTR 1060 was cranking out Top 40 with some AOR cuts sprinkled in from Natick.
Also in that winter of '73-'74, pirate WOJX-AM 1210(d)/1200

Watertown broadcast fairly frequently (WKOX Framingham was a daytimer on 1190 then).