What the PSG also can sound like...

Yeah, people did pretty neat stuff with the PSG on the Atari ST. A processor with DMA surely helps a lot!

I like this one a lot myself: Cerror - Datass

By the way, if you could manage to get a VGM capture of that song, I bet VGMPlay for MSX can play it just fine! Perhaps the 300 Hz update resolution on MSX2 is already enough, and if not then at certainly the 4000 Hz on turboR should be just fine! It can play this song too, after all :).

(And if it works fine on VGMPlay on MSX2 then that should also be a good indication that it would be possible for an MSX2 tracker to generate these effects and use in game BGM. The turboR timer isn’t interrupt-driven so not very suitable for BGM.)

The key is to have programmable interrupts at "audible" rates.
IIRC Atari ST has about 7 or 8 programmable clocks that can rise interrupts

Found the tracker (Triplex) with a number of songs and even the sources included. I can even run it within an Atari ST emulator, but this one only records to WAV. So now to look for other emulators to see if it's possible to somehow record the output to VGM or some convertable format. Indeed curious what will come out using VGMPlay.

@hit9918: The timing resolution of the VGM file format is 44100 Hz, and VGMPlay for MSX plays back with a timer resolution of 4000 Hz on turboR and 300 Hz on MSX2. PC players obviously use 44100 Hz resolution. So yes, you can make a VGM. As demonstrated by the Skate or Die intro which plays samples on SN76489.

@ToriHino: Maybe you need to write a script for the emulator (like my vgmrec.tcl for openMSX), or modify the emulator source. There are some KSS-like formats for ST, sndh and sc68, could also modify a player for those to log VGM.

The SID is an actual synth chip though. Talking about "SID sound" is a bit funny, because even with all sorts of hackery, let's face it, the PSG is a pretty crappy chip.

Here's a very interesting and long video by Richard Atkinson exploring the 8580 SID's variety of sounds with a custom controller and oscilloscope.
https://www.youtube.com/watch?v=LQt6j_p3O8U

4-Mat of Ate Bit has recently made an automatic YM player for the C64, capable of playing Atari ST music on the C64.
https://www.youtube.com/watch?v=2C7gHRKr-Uk

I actually like this C64 version of Mad Max's Solidify even better than the original YM tune
https://www.youtube.com/watch?v=BLOa-Zp-SzA