Thursday Challenge—"musical"

Last time I was in Paris, I came across these
talented young people in the Metro—twice.  This
time, they were playing Vivaldi's "Four Seasons" with
violins, cellos, and violas. I thought the kid in
the blue sweater was adorable, and he was clearly
the "concertmaster" of this group.

[To see more of the Thursday Photo Challenge, visit Dale's meme.]