Subjects · Arts, Design & Communication
Arts, Design & Communication: Failure-point prediction
Predict, before you perform, the exact places you're likely to fail, which turns practice from playing through into isolating and drilling the four bars that are actually costing you the piece.
What you'll be able to do: Predict, before you perform, the exact places you're likely to fail, which turns practice from playing through into isolating and drilling the four bars that are actually costing you the piece.
The practice that isn't practice
For music specifically, practice defaults to time-based when it should be criterion-based. "I practised for an hour" is not the same claim as "I can now play the shift in bar 34 cleanly, five times in a row, at tempo." The default mode (playing a piece through from the top, every session) spends the overwhelming majority of the time on material that's already secure, and guarantees exactly one attempt at the genuinely hard passage per run-through, arriving at the worst possible moment: already tired, already anxious about what's coming. It's close to the least effective way that passage could be practised, and it's what almost everyone does by default.
Failure-point prediction: failure-point prediction, fixes the order of operations: before you play, name (specifically) the three places most likely to go wrong and why, then practise those first, in isolation, disconnected from the run-through entirely.
The mechanism the register flags for this whole family matters here: the tool cannot watch or hear you play. That's not a limitation to route around, the prediction and the narration are what force you to build your own internal model of where the risk actually lives, which is the skill itself.
What prediction looks like, specifically
Music. Not "the piece is hard in the middle": name the exact bar and the exact technical demand: a position shift on the G string under a slur in a Bach cello suite movement; a fast chromatic run at the end of a jazz phrase where the fingering crosses awkwardly; a metric modulation, where the eighth note of one tempo becomes the new quarter note, a real device used deliberately in progressive rock and in passages of Elliott Carter and Steve Reich, where the count is what actually breaks, not the notes themselves.
Public speaking. The exact transition where you tend to lose the thread, often not the content itself but the joint between two sections, or a specific statistic you always second-guess mid-sentence, or the Q&A topic you're weakest on and haven't rehearsed an answer for.
Dance or theatre. The exact beat in the blocking where the count is ambiguous, or the line that always gets dropped because it follows a big physical move and the breath isn't back yet.
Visual art (live or technical drawing). Foreshortening on a specific joint, or a colour-mixing step you consistently get wrong because you mix on the fly instead of testing first.
How to run it
- Before attempting the whole piece, talk or routine, list the three most likely failure points and why, specifically.
- Isolate each one, out of context, slowed down, looped.
- Drill only that, to a stated criterion (five clean repetitions at tempo, not "a while").
- Reinsert into context only once the criterion is met.
- Only then run the whole piece through, and treat that run-through as a test of the isolation work, not as the practice itself.
I'm about to practise/rehearse [piece/talk/routine]. Before I run it through, help me predict: what are the three places I'm most likely to go wrong, and why specifically, not "the hard part", the exact bar/line/moment and the exact mechanical reason. I'll isolate and drill those first.
Pitfalls
- Predicting vaguely ("the bridge is hard") instead of specifically (bar, beat, exact demand): vague prediction can't be isolated.
- Isolating the passage but never reinserting it into context. A passage that's clean alone and falls apart arriving out of breath from the previous section hasn't actually been fixed.
- Skipping the run-through entirely. Isolation without eventual reintegration teaches fragments, not the piece.
- The tell: your predicted failure points and your actual failure points in performance don't match. Not wasted effort, diagnostic. It means your model of your own weaknesses is wrong, which is itself worth knowing.
Try this today
Before your next practice session, write down the three specific places you expect to fail and why. Drill only those, to a stated criterion, before you play the piece through once.