games and sports use у+Acc, musical instruments use на+Locative.
(will work for Russian as well; however, in Russian в and у are different prepositions)
in Russian в and у are different prepositions
This was the source of my great confusion when I was a kid :D Stupid thing, but for some reason I could not understand how "у" can mean something entirely different :)
Pronounced sha hi? Like japanese word maybe? ... Like shanghai... Silent g? And silent n..
More like hei or hey, as I understand it. But sometimes it seems to be heh as well.