The Stargazers (1940s–50s group) emigrate to Canada, and was replaced in the group by Dave Cary. The group served as backing vocalists for Petula Clark on her first recordings. The Stargazers enjoyed considerable commercial success during the 1950s, including two United Kingdom number one hit singles on their own, "Broken Wings", which was the first recording by a native British act to top the UK Singles Chart, and "I See the Moon", along with a third number 1 hit with Dickie Valentine on "Finger Of Suspicion", and were much in demand for back-up work and broadcast work. In 1954, The Stargazers recorded "The Happy
Pop! The First 20 Hits formative period). This is included as a bonus track on the UK version of the album, although in the US it only appears on the cassette release, failing to appear on the CD. "Pop! The First 20 Hits" became Erasure's fourth consecutive number-one album in the UK. In Germany the album hit number 12 and in the US it peaked at number 112 on the "Billboard" 200, where it was certified Gold nearly 10 years later by the RIAA. "Pop! The First 20 Hits" sequels include "Pop2! – The Second 20 Hits" (direct sequel including the subsequent 20 singles sequenced