Other credits include Manfred Mann's Earth Band's Solar Fire (1973), Nightingales and Bombers (1975), The Roaring Silence (1976) and Watch (1978), plus John Entwistle's Mad Dog (1975),[3] Andy Fairweather Low's La Booga Rooga (1975),[4] Chris Rea's Whatever Happened to Benny Santini?
[5] On Phil Manzanera's first solo album Diamond Head (1975), John Wetton and Doreen sang duo on the track "Same Time Next Week".
She subsequently joined Jacqui Sullivan as one of The Sirens, backing vocalists for Roxy Music's 1975–76 tour dates.
The Chanter-penned 1981 single "Star" became the theme song for the talent show Opportunity Knocks when it was revived by the BBC in 1987.
Also in 1983, both Doreen and Irene appeared as backing singers on The Undertones track "The Love Parade" on their The Sin of Pride album.
She sang on Waters' album The Pros and Cons of Hitchhiking, released in that year, and provided backing vocals together with Katie Kissoon during the tour promoting the record in 1984–85.
She also toured as part of Meat Loaf's backing band Neverland Express in 1984–85, including appearing on Bad Attitude - Live!