Murder Most Foul was created in 1964-09.
The cast of Murder Most Foul - 2003 includes: Jack Shepherd as Presenter
The Ghost says this in Act 1 scene 5 of Hamlet. "Murder most foul, as in the best it is, but this most foul, strange and unnatural." "Foul" always means "bad" in some sense. The Ghost is saying that murder is always the worst of crimes, but this was a peculiarly bad murder. He will go on to explain that what makes it worse is that it is the murder of one's own brother.
Fame for 15 - 2001 Murder Most Foul was released on: USA: 15 September 2002
The Ghost says this in Act I Scene 5 of Hamlet: Murder most foul, as in the best it is, but this most foul, strange and unnatural."
Hamlet's father says his own murder is foul and most unnatural. Hamlet's father's appearance as a ghost is the precipitating event for all of the play's action.
Murder Most Royal was created in 1949.
Murder Most Fab was created in 2007.
That quote "foul and most unnatural" is not from Macbeth, but from Hamlet - Old Hamlet describes his own murder thus, when he is addressing his son as a ghost. The King is murdered in Macbeth, but this phrase is not used.
"Revenge my foul and most unnatural murder." That's about it.
Murder Most Horrid was created on 1991-11-14.
He was mudered. A "foul and most unnatural murder." He was poisoned by Claudius, his brother.
Murder. Murder most foul.