 Complete the following phrase:  They worked with Dusty Springfield on her first solo recordings for Philips, and went on to sing on hundreds of sessions supporting Springfield, Cilla Black, Normie Rowe and Lulu. Their work with Cilla Black included being credited as backing vocalists on Blacks 1964 single, Youre My World, and were backing singers on her BBC television series Cilla. They backed Cliff Richards performance of Congratulations in the 1968 Eurovision Song Contest at the Royal Albert Hall in London, which placed second in the competition. In 1971, they returned to Eurovision, backing Clodagh Rodgers in her performance of Jack in the Box, joined by Clodaghs sister Lavinia. That time the song placed fourth. In 1977, at the 