The H9 and H90 have been able to do this since the Ultra Tap algo was released … maybe what? 7 years ago? One factory preset that showcased the feature was called UltraSwell. Since the H90 was released the big question became, “What if I put such-and-such after UltraSwell?” The answer was typically: add a big reverb and get some kind of HUGE soundscape. But the same type of program can also be used to drive things like rhythmic presets. The new Granular algos made it even easier to get really complicated results. PatchStorage now has quite a few of these huge sounding swelling programs.

BUT you can also strip UltraSwell down to it’s simplest form. When you do, you basically get the Boss SG-1. I thought that that sounded like bowed stringed instruments, especially cellos when you play the wound strings on a guitar.

I have attached one of these programs with five different swell speeds (using the hotswitches and aux #5). That may scratch your SG-1 itch.

Hope that helps,
~Tony