Mix gates, triggers, and audio signals!
The passive OR module is the perfect tool to merge gates and triggers from multiple sources (e.g., sequencers, LFOs, clocks, dividers, or other modules) to create complex rhythmic patterns.
Mixing two audio signals: a saw wave and a square wave superimposed:

Click here for audio demo (mp3)
https://www.davidhaillant.com/passive-or-2hp/
Available as an assembled Module and as a DIY project.
This Module is currently available.