Will consider a video in the near future.
You know, if you uploaded a video of yourself playing your guitar, assuming you are good, which I hope you are since you will need to be for your concert, people would probably just send tips to you, which could add up to be a sizeable amount. Then, not only would you have BTC, but you wouldn't have to pay it back.
That, and I'm curious to see if you are actually a good guitar player, or if you just hallucinate yourself playing