Ehehe, well... [... even if it was legal tender here, he has no Mora to speak of, so. he has no choice but to resort to the Usual Method.

He plucks at his lyre and, whether Blue likes it or not, begins to rhyme.]

A tab means I can pay it later, is that not right?
Surely you must understand my plight!
But if it's a payment your wares do demand,
I could pay you a ballad of adventures most grand.
Of dragons and knights, beasts and gods,
Heroes victorious against all the odds.
Tales of thrills, jest, romance and woe!
Is that not a fair price, a drink for a show?

[to his credit, he does sing pretty damn well.]