"Mellow Yellow" was written and recorded by British singer/songwriter
Donovan. It reached No.2 on the Billboard charts in 1966.

Donovan (Donovan Philips Leitch) turned 66 in May.

When "Suspicious Minds" reached the top of the Billboard chart, it
became Elvis Presley‘s 17th and final US number one hit during his
lifetime. It was recorded in a 4 to 7 AM session in January of 1969, 
with the eighth take being the keeper.

Steve Allen was a "creditable" pianist, and composer, having written
over 14,000 songs, one of which was recorded by Perry Como and
Margaret Whiting, others by Steve Lawrence and Eydie Gorme, Les
Brown, and Gloria Lynne. Allen won a Grammy award in 1963 for
best jazz composition, with his song The Gravy Waltz (below).

“Calendar Girl” reached #4 on the Billboard chart in 1961.

Neil Sedaka turned 73 in March

The song was backed by the vocal group, The Del-Satins. It ranked #  
342 on Rolling Stone magazine’s list of "The 500 Greatest Songs of  
All Time".

The Del-Satins

Dion Francis DiMucci turned 73 in July