Jānis Pūķis is a latvian musician from Riga. He is also a musical instruments museum owner. Here is a video in which he plays a bandoneón and his home-made wooden nose flute ornated with painted rat teeth, then teaches the young Katrina. In the latvian comment, the video maker wrote : « We are impatiently waiting for the time when the Eurovision song contest will include a nose whistle ».
Jānis Pūķis also plays the musical saw, as you can see here.