Deliberate mistake: When Austin and Felicity cross the street when they are shopping, you can see green hills behind them, very much like Hollywood and not 1969 London. (Deliberate reference to an earlier joke)
Deliberate mistake: When Austin is playing chess with Ivana, the pieces have been moved in impossible positions throughout their few moves.
Answer: It's called "Soul Bossa Nova", by Quincy Jones.
Grumpy Scot