I know this is a longshot....but any ideas to help this devoted 3 year old fan for his 4th birthday party?  He wants it to be all about music and Train.  I've got the music all set (nothing but Train will be played), I am about to order a few cases of the Save Me San Francisco wine (for plenty of grown-up attendees), have the karaoke machine ready for the birthday boy to sing Train songs, the kid…