Those voices led to this snippet from the Classic Album series on Elton John’s Goodbye Yellow Brick Road (skip to 6:40). How do three skinny rockers make that sound?
Who reminded me of Michael McDonald’s star turn on Steely Dan’s Aja. (skip to 18:00).
And just to show it’s not an art form that died in 70s rock, here’s Ryan Adams and the Cardinals nailing the last verse of Cold Roses, live. These guys were easily the best all male harmonies I’ve seen, just incredible.