In 1980, Phil Lynott recorded a tribute to Elvis Presley. In 1988, Darren Wharton recorded a tribute to him. Wharton had joined Thin Lizzy as keyboard player aged only seventeen. He went on to form his own band, Dare.
The song's title is a reference to some artwork in which the band members were portrayed as playing cards; Phil was the King Of Spades.
Suggestion credit: Alexander Baron - London, England, for above 2
New Order took the title for "Blue Monday" from an illustration, which read "Goodbye Blue Monday," in the Kurt Vonnegut book Breakfast Of Champions. The image referred to the invention of the washing machine improving housewives' lives.