Top Ten... Possibly the greatest singer song writers in the world...

[Tom Joad]

Dylan
Tom Waits
Leonard Cohen
Richard Hawley
Townes van Zandt
Steve Earle
Van Morrison
Bowie
Springsteen
Mike Scott
Nick Cave

I don't know how to stop....

[Squid]

Freddie Mercury
Brian May
Roger Taylor (wider vocal range than Freddie in his day)
Prince
Beck
Natasha Khan aka Bat for Lashes
Bjork (earlier stuff, because I am a pleb
Neil Finn.

[ericlegrisly]

Joni
Dylan
Billy Bragg
Richard Thompson
James Taylor
Paul Simon
John Denver
Neil Young
Jackson Browne
Weller

[Derek Hardballs]

Dolly Parton
Buddy Holly
Chuck Berry

[Ed Hopper]

Dolly Parton
Buddy Holly
Chuck Berry

Yes Dek, Chuck Berry was a powerhouse of a songwriter!

[Ampadu's Left Boot]

John Lennon
Paul McCartney
Bob Dylan
Michael Jackson
Paul Simon
Damon Albarn
David Bowie
Freddie Mercury
Mick Jagger
Ray Davies

[MassDebater]

Mercury
Lindemann
Dickinson
Michael Starr (actually out of all these he probably has written the most enjoyable songs!)