AITA for refusing to perform at my friend’s wedding after she called it my gift?

I sing and play piano at small events on weekends. It is not my main job, but it is paid work. My friend Talia asked whether I would perform two songs during her wedding ceremony. I said I would be honored and told her I would charge only for the accompanist and equipment rental, not my own time.

She thanked me and said we would discuss details later.

Three months before the wedding, Talia sent a schedule that included the ceremony songs, background music during cocktails and a first-dance song she wanted me to learn. Altogether, it would mean arriving four hours earlier than other guests and bringing my keyboard and sound equipment.

I called her and explained that the new request was a paid package, not the two-song favor we discussed. I gave her a quote that was about half my usual rate.

Talia became quiet. She said she had already told her fiancé that my performance was my wedding gift. I had bought a modest gift from their registry, but she assumed I would return it and contribute the music instead.

I said nobody gets to choose another person’s gift.

That sentence ended the conversation badly.

Talia later offered to return to the original two songs if I would bring my own keyboard. I declined. By then I no longer trusted the scope to remain small, and I wanted to attend as a guest rather than spend the morning setting up.

She hired another musician. The price was far higher than my discounted quote, and several wedding expenses had already gone over budget. She says my late withdrawal forced the largest avoidable increase.

I think she changed the agreement first. She thinks my initial “I would be honored” and refusal to charge for my time reasonably sounded like a gift. She also points out that the accompanist was no longer needed once she chose songs I could play alone.

Our mutual friends are divided. Some say creative work should never be assumed free. Others say close friends routinely contribute skills to weddings and that I withdrew even after she restored the original request.

I could have protected the friendship by performing the two ceremony songs and refusing everything else. Instead, I treated the attempted expansion as proof that no version of the favor was safe.

AITA for backing out entirely?