Okay, you could call this a triple concerto, after all it is a mix of three different violinists playing the same passage...but I call it plain old fun.
Mozart Mess (mp2 file) of KV 216 opening
Mozart Mess #2 (mp2 file) of KV 219 finale
I'm preparing a comparision/review of these and couldn't resist mixing some of my examples together. Keep an eye out on the WITF New Releases blog for the real review.