I’ve been building SP-404 MK2 live sets for four years, and I’m always trying to push it past “sampler + FX box” into something that feels like an actual instrument. This video comes out of my biggest constraint so far: an ambient set using only the SP and a guitar—complex time signatures, drones with no rhythmic anchor, and layered arrangements that still have to be performable. The core trick I lean on in basically every set is using the Pattern Sequencer plus Quick Mutes to get as close as possible to an Ableton-style live looping workflow on the SP. I break down how I run a “everything-playing” pattern, then use Shift+Reverse Quick Mutes (with Remain) to bring parts in and out, plus why I sometimes have to build a separate “end pattern” since quick mutes don’t save per-pattern. From there I show a few supporting methods: a one-shot “background track” to buy time for transitions, how I route bus FX for heavy ambient reverb (bus 1 into bus 2, then into 3/4), and how I layer guitar on top using the SP as an amp sim and delay/reverb box. I also talk about embracing time drift when you ditch patterns and trigger looping stems by hand, and why a detailed set map is the difference between “cool idea” and a reliable performance.