The Billboard Hot 100 is the music industry standard singles popularity chart
issued weekly by Billboard magazine. The first number-one song of the Hot
100 was "Poor Little Fool" by Ricky Nelson on August 4, 1958. As of the
current issue for the week ending August 10, 2013, the Hot 100 has had
1,027 different number-one hits.

"So Much in Love" was The Tymes first hit single.

"One of These Nights" was written by Don Henley and Glenn
Frey. It features a guitar solo from Don Felder. This was the
group’s second #1 single on the Billboard Hot 100.

Don Felder

According to the Billboard Book of Number One Hits by Fred Bronson,
Brenda Lee recorded this song early in 1960 but Decca Records, held
it from release for several months out of concern that a 15-year-old girl
was not mature enough to sing about unrequited love. When the song
was finally released, it became a smash hit.

Branda Lee (Brenda Mae Tarpley) is 68