PG Music use sforzando for the HQ patches and also for playable RealTracks. It's single instrument at a time player though, not a true GM synth.

BiaB also comes with VSTSynthFont64 engine, which is a true GM synth, strangely hidden away in here: C:\bb\Data\libx64 There's a section in the manual on how to use it. It works with SF2 sound fonts, TimbresOfHeaven is quite popular. I did have some strange level issues within BiaB with it ... I'm not sure if that's fixed.

I sometimes use either my Kawai or a Ketron SD1000 as the MIDI player, just sending the MIDI out to one of those. Neither handle audio, though, so I have either a stack of hardware or I don't use RTs or RDs with them. Usually the latter. Recording that would require the audio to be fed back into the PC.

I don't know whether SynthMaster does GM. I think not, but I invariably lose interest before I've found a definitive answer.

Jazz relative beginner, starting at a much older age than was helpful.
AVL:MXE Linux; Windows 11
BIAB2025 Audiophile, a bunch of other software.
Kawai MP6, Ui24R, Focusrite Saffire Pro40 and Scarletts
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