Using wikipedia as my source I think these snippets establish Gilbert O'Sullivan's cool credentials:
"His songs at the time were avant-garde, and even drew the interest of the Bonzo Dog Doo-Dah Band (Viv Stanshall), who were interested in recording a couple of the songs".
"O'Sullivan is also...
How about Shoreham's own Leo Sayer. By no means a favourite of mine as the thread suggests but certainly uncool and I do appreciate the quality of the songs on his first two albums, "Silverbird" and "Just a Boy". He even referenced some local Shoreham landmarks in his song "The Bells of St...