Primal Scream: C or D?

I watched the French movie FULL TIME yesterday. The protagonist is a hotel maid who at one point has to power-wash one room's bathroom walls because they're covered in a guest's feces. The guest is described as "the Scottish rock star" and my instantaneous mental reaction was, Wow, I wonder what inspired the screenwriter to take such a shot at Bobby Gillespie?

Sadly I think that might be a reference to Gerry Rafferty.

Backup option: John Martyn.

https://www.theguardian.com/music/2009/feb/17/gerry-rafferty-in-hiding