It's very rare you'd find someone playing a saxophone on your daily DART commute but it's a common sight on the subways of New York.

But this carriage of commuters were lucky enough to enjoy an impromptu musical duel when a second sax player happened to be travelling on the same train.

Not content to just sit back and enjoy the music, the second sax player felt compelled to join in the fun.

So let the battle commence....

You can view a longer version of the saxophone battle which was compiled by various mobile phone recordings.