Is Xaphoon the same instrument as the folk instrument in China called an “Ebi”?
Here is a link:
http://www.s-o-n.net/ebi01.htm
http://www.s-o-n.net/audio/ebi01.mp3

Also, how is Xaphoon different from the Pocket Clarinet?
http://www.youtube.com/watch?v=piNJbootDIA
http://www.youtube.com/watch?v=Tr_f6hZn_K0

And how is it different from the Chalumeau (Renaissance instrument)?
http://www.youtube.com/watch?v=aZa8ua8yBJ8
http://www.youtube.com/watch?v=I6PWGAx8dA4

This is important for my research.