A studio project contains decisions you have already made. A live set needs a clear answer to what you will decide in the room. Before mapping more controls, identify the actions that make the performance musical: playing a part, reshaping a phrase, choosing a transition or responding to another performer.
Build a performance version
Save a separate version of the project. Keep the elements you need to play and simplify those you only need to hear. A finished backing texture may work as audio; an instrument you intend to improvise on should remain playable. The right balance depends on the performance.
Name tracks and controls by their roles. A label such as Lead Brightness is easier to interpret under pressure than a device number. Test each mapping across the full range you intend to use, and set limits where an extreme value would disrupt the piece.
Rehearse the joins
Practise transitions separately from the songs. Start near the end of one section and continue into the next. Check what sustains, what stops, which tempo is active and where your hands need to be.
In Ableton Live, launching Session clips can override Arrangement playback on the corresponding tracks. The Back to Arrangement control restores the timeline's playback. Understand that behaviour before combining a fixed arrangement with improvised clips; a view change alone does not determine what is heard.
Test the busiest moment
Run the densest passage with the effects and visual system you will use. Listen for interruptions and observe the system's behaviour. Ableton's resource guide recommends testing demanding combinations of active tracks and devices, rather than relying only on a Set's average load.
If a passage is unreliable, simplify the part that causes the problem and test again. Use the actual audio interface, controllers and display arrangement where possible. A successful rehearsal on a different setup leaves some questions unanswered.
Practise getting back in
Make a recovery point that you can recognise without searching. Deliberately miss a clip entrance or stop one nonessential part, then continue from that point. Keep monitoring at a comfortable level while testing. The goal is to learn a musical route back, rather than to prove that nothing can go wrong.
Write a short setup and shutdown order. Gather the project's media with Collect All and Save, then reopen the project to check it. Third-party plug-ins require separate installation; copying the project folder does not copy them.
Record one uninterrupted run
Play the complete set without stopping to edit. Review where attention, energy or confidence drops, then revise one problem at a time. Also note moments where you are busy operating controls but making little audible difference.
Peter Spacey's official site lists performance videos including Morning Haze from the Spacetagon Sessions and Shimer as an Outdoor Live Scratch Session. They are useful invitations to watch an artist's public performance, not evidence of a particular rehearsal process. For your own sound-and-image collaboration, pair this checklist with Designing a Live Audiovisual Performance.