Ray,
When I first started moving tracks from BIAB to RB used the
DAW drag and drop.
When working with realtracks and midi softsynth started Rendering
all tracks to wav files.
Then loading them one at a time into RB.
If your not using the render to wav files for all tracks, you might
give that a try.
I just did a quick mix on WIP song. Very difficult to pick out entire ending,
but do think the 4 bar is there. The swell right at end is kinda normal for
realtracks I think. When doing a Test play right after RENDER, the song sounded the same
as result your hearing.
http://mp3cloud.mobi/10MinuteWaltz.mp3 Its not ten minutes, that was just a WIP title.
All realtracks in BIAB rendered to WAV in BIAB loaded into RB, added PG DYNAMICS and
Stereo expander. Fadein at front is in Audacity. No fadeout, only BIAB/RB created.
Good Luck