We were in Miltown Malbay at the Willie Clancy week. We saw 2 tiny girls with tiny violins and we knew full well what compelled them to busk - Mummy.
They could just about manage Twinkle twinkle.

Then on the last day our dance class teacher said, bring your instruments in, we'll finish with a few songs, tunes and steps. One of the dancers fetched her son and daughter after their classes (they were only a couple of years older) and they played for us as part of the session, no cash given or expected, a delight.