“Your So Vain” was recorded in UK at “Trident Studios” with (primarily) UK musicians including Klaus Voormann (Beatles friend) on bass playing the opening riff...
Carly Simon – lead vocals, backing vocals, acoustic piano, string arrangement
Jimmy Ryan – guitars
Klaus Voormann – bass
Jim Gordon – drums
Richard Perry – percussion
Paul Buckmaster – orchestration
Mick Jagger - backing vocals
Vicki Brown - backing vocals
Liza Strike - backing vocals
I stand corrected. I had been misled. Thank you.
Mick Jagger did backup vocals?
I guess he didn’t think the song was about him after all.