Ray Parker Jr.: Ghostbusters (1984)

Who you gonna call? This infectious theme tune from the hit film is equal parts funk and fright. Parker’s playful chorus and synth-heavy groove made it an instant classic, earning him an Oscar nomination and decades of Halloween immortality.

He said: “I got the idea at 4 am - I saw a commercial on TV that said ‘Who you gonna call?’ and thought, that’s it. That’s the hook!”