Routing From Mp3 Player To Renoise

Does anybody know if there is any way to route the audio from an audio player like Winamp into a channel in Renoise?
I feel like it would be a useful tool for mastering and comparing your track to the loudness of a track that you like.
Anybody know?

Thanks.

PS I accidentally posted this under general discussion. I meant to put it here. Forum fail.

erm, just place a sample from an mp3 in a track and mute/unmute it?

Yeah. That’s what I’ve been doing. I just felt like routing would save some time.

Just wondering - do you have a multichannel sound card? I can route from any audio application into Renoise (using a Soundblaster Audigy on my main rig and a NI Audio 4 on my laptop).