It's a lovely romantic piece.
http://www.fileden.com/files/2007/12/26/1663149/violin_piano_duet.wav

Does anyone have any idea?
Which composer do you think wrote this?

Where'd you get it from???

go to www.gramercy.com.sg and you will hear it play automatically
anyway i already found out the title of that piece.
it's Serenade in D by Jaroslav Kocian.