Desperate Request for So You Think You Can Dance Music Help

I’m definitely not the expert on So You Think You Can Dance and I don’t work for the show (although I am currently looking for a job if they’re reading this). However, this blog has a pretty good reach with fans of So You Think You Can Dance fans, so I’m sending out a request I received from a fan of the show that is interested in finding out title and the artist of some background music. I know! It’s a pretty big challenge, but I’m sure you’re up to it.

Here’s the details I’ve gotten:
I desperately need to know the artist and title of the BACKGROUND song and artist that was at Katee’s intro ?
I also heard this song played at these 2 routines ? (probably the same song)
Jason Williams
Aleksandra Wojda
Contemporary
“Unwritten”¡ªNatasha Bedingfield

(starting from 0:20, 01:20 is getting a little clear)

Jaymz Tuaileva
Jessica Fernandez
Contemporary
“Let Go”¡ªFrou Frou

(starting from 0:20)

Just leave a comment if you have any idea what it could be.