Hi Graham

Are you referring to BiaB or Real Band?

It doesn't do it for me in BiaB (never has, and I don't know how to turn such a feature on) but it does do something like you describe in RB:
Trev

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2015-01-07_15-02-36.jpg (51.03 KB, 108 downloads)
Band In A Box notation
2015-01-07_15-07-44.jpg (48.36 KB, 108 downloads)
Real Band notation

BIAB & RB2025 Win.(Audiophile), Sonar Platinum, Cakewalk by Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Kontakt, Focusrite 18i20, KetronSD2, NS40M Monitors, Pioneer Active Monitors, AKG K271 Studio H'phones