There is no music or sound at all on N-GO with firmware v1.44 and Core v3.02.00 at VGA0 50Hz. The files are defragmented.
I can repro this. ks2 Next with v1.44, 2.08 and core 3.02.01, VGA0. RES/SOUNDS.BIN is present and intact, and defragged.
Also tested in Core v3.01.10, KS1 next - and can confirm same too - sound works merrily out of analog audio on HDMI (timing=7), nothing else changed except to VGA0 (timing=0), and no audio out analog at 50Hz.
Fixed it in version 1.2
Thanks!