Band Night at the local high school* is always a great occasion, the talents of the pupils really do get let loose on the audience.
There's always a good mix of genres - some jazz, some thrash-metal, some pop-classics (usually played by the staff) - but IMO this performance was head and shoulders above the others:
Just in case you're wondering, it's a rip from the DVD that I bought from the school.
Four times I've asked the copyright-holder for permission to post it, and four times I've had no reply.
Hopefully the maxim "Qui tacet consentire" still holds in these matters.
* years 7-9, ages 11-14