Get ready to hear a lot of David Cameron remixes.

After signing in Theresa May as his successor, the parting Prime Minister was caught on mic humming a quiet upbeat four note tune that ended with him saying "Right".

Cameron's ditty has become a viral success with music nerds releasing a series of remixes.

Here are a few of the funnier ones:

I spent yesterday evening remixing David Cameron. I'm very proud... #cameron #humming pic.twitter.com/WIMDU4zyjx

— Graeme Coleman (@graemecoleman) July 12, 2016

Composer @thewittjones has created a musical fantasy for piano and cello, based on David Cameron's hum https://t.co/5HPBNlamuU

— Stephen Jones (@SteveJonesPA) July 12, 2016