One of my “secret weapons” is Processed, an “audio beautifier” that is a slew of things, but essentially meant to process and loop live incoming audio. It’s granular, glitchy, pitch-shifting, and capable of creating huge, lush, swelling walls of sound very easily. The author made an album with Processed and harp that’s quite gorgeous and worth checking out. I also look to Processed as an example that Reaktor ensembles can be colorful, and visually and aesthetically appealing, and have interfaces that are well-thought and are pleasing and easy to use.