YES it is Dornoch !!!
but I think I confused you all .... original clue
Could a person who does this be described as a rap artist I thought someone would get rap and knock, knock on door, and it would all be over
... the thankless task was door knocking, salesmen; canvassing
knock on near your home (well it is near your home
) not ringing any bells -----alternative to door bells ..... and there is a Firth .... I thought that would help .....
I'm going for a lie down now in the NC
@ Unc....