bluray export with menu and multiple audio streams?

Hey, hope all is well, M j ward pointed me in your direction about this matter, so i hope i'm not wasting your time.

Basically I have a 1080p 25fps concert (made to a rough guide track), now exported to .h264. I have created stereo and 5.1 master tracks and now i'm stuck as to how to create a Bluray Disk that users can switch between the 5.1 and stereo tracks. I have premier pro 5.5, Compressor, DVD studio Pro and encore available to me but i honestly have no clue how to do this.

I know you can add 5.1 audio files in compressor but i have the stereo file too (so users can switch between them).

The 5.1 has been exported as l,c,r etc and the stereo is single stereo file. Both are 48khz and 24bit.

There is also going to be special features segment but these are simple stereo files encoded the same as the above.

I have read that mpeg-2 video works best with the above programs, so if i need to re render that shouldn't be a problem.

The disks are dual layer 50gb blurry and i have a supporting writer

Any help would really help me out.