Search: Paradise Circus
Why: On PostSecret:
-----Email-----Answer: It's a song by Massive Attack! Listen here:
Paradise Circus
Did you know that the opening theme to "House" is by Massive Attack? It's called "Teardrop."
Source: YouTube
The More You Know: The image of that postcard is labeled "pinkmoonsmine." "Pink Moon" is by Nick Drake, who died in 1974 at age 26. Maybe you remember that song from this awesome Volkswagen Cabrio commercial from 1999: