Play with the song settings dialog and the Edit/Insert Bars feature.
If your verse and chorus (which is one chorus in BIAB lingo)repeat you may need to make a Tag. A "jumps to tag after bar __". Add your 8 bars needed for the solo and then copy/paste your verse and chorus inside the tag to the end of the solo so you can have them play again if desired.
Set the last bar to a high number so you have room to finagle your bars in there. Set the actual ending bar later after you are certain where it should be.

Example:
Into is bar 1 - 4.
Song begins (and begins repeats) on bar 5.
Plays your verse and chorus from bar 5 - bar 36.
Repeats = 2 times. So it goes back to 5 - 36 again.
Tag Begins at bar 37, 37 - 44 are for solo. Bars 45 - 81 (inside the tag) are a copy/paste of your verse and chorus. Make 81 your last bar.
Or;
Add more bars for your ending or use (generate 2 Bar Ending for this song.

Let us know if that gets you there.


Does the noise in your head bother me ?