Single on Leedon. Sydney vocal group The Delltones, featuring the bass of the ironically nicknamed 'Pee Wee' Wilson, were a fixture of the Australian rock'n'roll scene from their formation in 1959.
See also, for example, The Delltones' major hits Come A Little Bit Closer and Hangin' Five.
Further reading: Delltones history at delltones.com.
Thanks to Terry Stacey for IDing the original.
Single on Jack Gold’s label Terrace, by Boston area vocal group from the Roxbury neighbourhood, formed in 1952 as The Bob-O-Links.
The G-Clefs’ were the Scott brothers – Teddy, Chris, Tim and (later) Arnold – with Joe Jordan or the Scotts’ neighbour Ray Gipson (some sources have ‘Gibson’).
Two of the G-Clef’s records charted nationally: Ka-Ding-Dong (1956, #24) and I Understand (Just How You Feel) (1961, #9).
The co-writer of Sitting In The Moonlight is Chris Scott of the G-Clefs. Produced by Jack Gold, arranged and conducted by Gary Sherman.
References: 1. G-Clefs page from Brian Lee’s ColorRadio [archived], highly
recommended. 2. Marv Goldberg’s G-Clefs history (based on
an interview with Teddy Scott).
Further reading: 1. Joe Viglione’s G-Clefs
history at All Music Guide adds some neighbourhood anecdotes to the Scott brothers’ story. 2. More
on the G-Clefs from Joe Viglione at the New England Rock blog. 3. Boston Globe obituary of the Scott brothers’ sister, Karen
Mallory, October 2008,