I love how the Doctor Who production team do silly mini scenes for the fans. I just watched the small scene done for the BBC Prom and it makes me giggle.
But Blue Suit? When is it set? O.o
Though I suppose he must have more than one copy of it for cleanliness sake. Either that or it's Ten 2.0 in a TARDIS he grew from the coral the Doctor gave him! :D
I <3 how the Doctor thinks he's a brilliant composer. XD