In addition to the above: Jack Bruce, Felix Pappalardi, Bryan Adams, Burke Shelley, Roger Waters, John Wetton, Martin Turner, Sting.
I started doing some lead vocals a few years back, the hardest thing I found was not letting the vocal line mess up the groove. It took a lot of practice at home and it still doesn’t come naturally with any new songs, but it is doable.
EDIT: beaten to the punch by some of the above