Welcome to the forums Screwloose! Are you using the Mac or Windows version? Band-in-a-box does not have live input monitoring, but if you are using the windows version, RealBand does have this feature.

In RealBand go to Options | Preference | Audio (tab). Then make sure the Enable Input Monitoring checkbox is checked.

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RB_input_monitoring.png (25.17 KB, 82 downloads)

Best,
Chantelle