Checking further, definitely the Drums and Woodblock play for the first 4 bars. So I think the 's' is a legacy value from when track names were dedicated and 's' was for the 5th track which was 'Strings'.

The first 5 tracks used to be Bass, Piano, Drums, Guitar, Strings and could not be renamed, even if they had different instruments assigned to them.


BIAB & RB2026 Win.(Audiophile), Windows 10 Pro & Windows 11, Cakewalk Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Session Keys Grand S & Electric R, Kontakt, Focusrite 18i20, KetronSD2, NS40M, Pioneer Active Monitors.