DESCRIPTION:
Jazz Quartet in Toulon playing on 8 december 2005 at 20:45
It's their own version of jazz standard "What is this thing called Love"

Since so many users asked information about the lead musician on this video, here it is:
His name is Nicolas Folmer he is only 28 years old and has done one music album of his own compositions, here is a page in french about him where you can here 3 sound samples:
http://www.cornolti-production.com/artistes_nico01.htm

Hope this helps you trumpet fans!