When I know I want to use a particular real track, how do I make sure my finished product is using the actual “lossless” audiophile version?
As long as the uncompressed RealTrack files are in the folder that your Band-in-a-Box is referencing, then those are the ones that your program would use. That is why it is important to transfer the RealTracks folder and Drums folder from your Audiophile external hard drive, to the drive you wish to run off of. To be sure your program is searching through the correct folder afterwards, you can follow these steps to select a custom RealTracks folder and Drums folder:
https://youtu.be/3P5ZEpOwJ9A When you are finished moving folders and setting up the preferences, open the Style Picker and click the Rebuild button.