This is a nice straightforward jig to learn that Cathy suggested. We could play it in a set with the Kesh or Calliope or others I’m sure.

It is clearly popular as there are lots of youtube links for it… so here are a few:

Fiddle tutorial by Chris Haigh

The Peak fiddler
Entertaining fiddle and double bass (same player)
Another self-multiplying player – into two fiddles and a viola
Whistle
Banjo 
Whistle, fiddle and guitar
Mandolin and guitar

Pdf to download