If it were in my lot to make such choices, I can only say I would consider that getting paid for some lusty singing, even of overworked numbers, would sound pretty good -- and he extra dough against future rainy days is not a bad choice, either, unless you are completely well off financially.

As to prostitution, well, I've always been kindly disposed to the Magdalenes of the world, and see no reason to make highly abstract and ungrounded moral quibbles about making good music. If you aren't making good music, why that's another issue! :>)

A