Carolyne,

RealTracks are standalone in their own right. As far as I know
you cannot load music into one.


But I just did this.
Loading an MP3 into a track in RealBand is to open the folder it is
in...then click-hold and drag to the track you want it in.


Never did this before and had a bit of glitches, but I also
drag-drop a MP4 video file. It did give me errors, but the
music portion was loaded.
RB surprised me this would work.

Good luck!


FrankB

Down The Street vs2015 12-03-2014
Win7, AMD QuadA8-5500,16GB,2TeraHD, Komplete 10
PG Ultra Plus 2016,Alesis 12USB, Sonar Platinum