A BILLBOARD CLASSIC ’45 AD FLASHBACK! 05/07/1966 A BILLBOARD PHILIPS RECORDS AD PAGE RIP: ”Opus 17 (Don’t You Worry ‘Bout Me),” The 4 Seasons May 7, 1966 (click on image 2x for largest view) OPUS 17 * THE 4 SEASONS https://mcrfb.com/wp-content/uploads/2016/06/Frankie-Valli-4-Seasons-Opus-17-Dont-You-Worry-Bout-Me.mp3