Heather posted this list from Paste Magazine published last June.  I think he should be #1, but he shows up as #15, not bad. Heather’s another Colorado girl like me, and has a great music blog at http://fuelfriends.blogspot.com
Here’s the top 15. To see the entire list of 100, go here:
http://fuelfriends.blogspot.com/2006/06/top-100-living-songwriters.html
15 Willie Nelson
14 Stevie Wonder
13 Paul Simon
12 The Rolling Stones (Jagger/Richards)
11 Randy Newman
10 Prince
9 Joni Mitchell
8 Elvis Costello
7 Brian Wilson
6 Leonard Cohen
5 Paul McCartney
4 Tom Waits, Kathleen Brennan
3 Bruce Springsteen
2 Neil Young
1 Bob Dylan