Bands/artists you never got to see live in their heyday, but would've liked to.


Siouxsie and the Banshees (I've seen other incarnations)

Bob Marley and the Wailers

Gregory Isaacs

David Bowie

Led Zeppelin

Black Sabbath

Steely Dan

shtinkydog
Might be the right description shdog, but definitely a predictable response from good old Schubert.  
I have seen all on your list but I wish I could have seen.
Hendrix, Joplin, The Doors, Van Cliburn, Bill Evans, John Coltrane.