These are sikh pipers (yes, they too exist):

https://www.youtube.com/watch?v=Cn4haFczDo8

The Sikhs are also descended from a warrior culture and one of the "5 Ks" for them is to carry a kirpan which I would compare to the tradition of wearing the sgian dubh.

It's an interesting group:

http://en.wikipedia.org/wiki/Sikh