I have an opposite side story...

I work at a church as a sound person. We rent out the space to others when we are not using it.

Bride picked out some nice music and had a friend that was going to sing.

So far, so good. The lady sang well during the rehearsal.

Then enters Grandmother. She would have nothing less than her grandson playing music for the wedding. Nice sounding lady is out of a job.

I offered our grand piano to the kid. Grandson wanted his beginner's keyboard.

I helped him set it up - he did not bring everything he needed. Not uncommon.

Wedding starts. The poor kid had only had about a few months of lessons and could play chords. Basic chords with stage fright. Grandmother was happy; everyone else including the child wasn't.

...Deb