There are several options via bar settings that you can use for fade options. Both volume controls and fade options are available in the bar settings dialogue that you can access by right clicking on a measure and going to bar settings or hitting F5. You can find the full breakdown on the bar settings window here: https://www.pgmusic.com/manuals/bbw2026full/chapter6.htm#_Settings_for_Current_Bar

As for abrupt endings, do you have the 2-bar ending option enabled where Band-in-a-Box automatically generates this for you? Having this enabled or doing a custom ending can help an ending sound more natural. The below video I have linked is on custom endings, and while it's showcased in an older version of Band-in-a-Box the same concept still applies:


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barsettings1.png (21.28 KB, 3 downloads)

Cheers,
Ember