[Dr. Sivana]

Why top 40? Because that’s what Casey Kasem counted.

Works for me. As a piece of personal trivial, I believe I hold the record for lowest charting record to earn a "Long Distance Dedication" on his show.

[George from New England]

Everything Casey played as chart hits was 70s and later. His shows started 7-11-1970

So Close - Jack Holmes

The above song was a one-hit wonder and the only one that never truly hit the top40. It was the only mistake song played on American Top 40. Dec 19th, 1970 was the classic show date.

Stay Awhile — The Bells 1971