You’ve lost me with the sheets but as a band they could push the boundaries a bit. I would like the ability to make the weird noises as well as they could through. Live:
Not sure if it’s helpful but several banks (HSBC is one) offer foreign currency accounts as well as global multi currency accounts that you can pay into and withdraw cash from in any currency:
https://www.hsbc.co.uk/international/travel-money-card/