"The classes aren't free, I'm afraid. The studio has to keep the lights on. But, a few points.
She holds up fingers:
"One, group lessons are a sight cheaper than private instruction.
Two, there are no instruments, so little equipment overhead except for tee-shirts and busses for occasional events.
And... THREE,"
Piper holds up a hand to forestall any argument, "That's why I'm here. I am desperate for a babysitter. Have you ever tried to watch two kinain troll-n-satyr and a quarter Pooka blooded toddlers full time? I'm about to DIE and will seriously barter my time doing something I love, namely teaching music, vs. watching the twins, WHO I love, but need some time away from when their Mor is on duty off on the high seas."