Oldfield plays bass for Kevin Ayers and the Whole World, appearing on their album 'Shooting at the Moon'. This early collaboration exposes him to a wider range of musical styles and techniques.

Maggie Reilly provides vocals for several of Oldfield's hit songs, including 'Moonlight Shadow', 'Family Man', and 'To France', becoming a prominent voice in his music during this period.

Bonnie Tyler provides vocals for the song 'Islands' on the album of the same name. The song becomes a hit, showcasing Tyler's powerful vocals in Oldfield's music.

Anita Hegerland appears on the 'Islands' album, providing vocals for the song 'The Wind Chimes', among others.