I note that the money wasted on Boris's water cannon included "£970 for the fitting of radios and CD players":
https://www.bbc.co.uk/news/uk-england-london-46258584
So what music do you think the operators should have been listening to while deploying them?
Get Back - The Beatles ?
Dancing in the Street - Bowie & Jagger ?
Cold Water - Major Lazer & Justin Bieber ?
Any more?