Access iPod Music from Mobile Spotify App

Hello,

I have found it quite the nuisance switching between both the iPod and Spotify Apps on my iPod Touch as I have different music on Spotify than I do on my iPod Music App (downloaded via iTunes). I was wondering if it would be possible that in future updates to the mobile Spotify iPod/iPhone App a feature is added that allows one to access the music that has been downloaded from iTunes or through other means - and that can be listened to in the default iPod Music App - from the mobile Spotify App. This would be very helpful and I'm sure others will agree!

Thank you,
Sam.