Complex sentence: In 2005 they began recording a new studio album, which would have been their ninth, and would have been their first record since 1973 with Brian Eno, who wrote two songs for it as well as played keyboards.
Split into simpler sentences: In 2005 they began recording a new studio album, which would have been their ninth. It would have been Roxy's first record since 1973 with Brian Eno, who wrote two songs for it as well as played keyboards.