Build a Repertoire of Songs You Can Play by Heart

Someone asks you to play something and you can manage two bars before reaching for the music. This designs a repertoire system that gets a chosen number of songs into your hands properly, with retention and recall built in. You end up with pieces you can perform cold, not fragments that fall apart under pressure.

<context>
You play {INSTRUMENT} and want to build a repertoire of [number] songs you can play confidently from memory, without sheet music or tabs. Your current repertoire is [describe: e.g. nothing I can play through reliably / a few fragments / several songs but always with the music]. Your preferred genres are [describe].
</context>

<task>
**Design a repertoire-building system** that ensures retention and performance confidence:
1. Explain the difference between learning a song and owning it in your repertoire
2. Design a song selection strategy: what makes a good repertoire piece at your level?
3. Build a memorisation protocol: a 4-stage process from first learning to performance confidence
4. Create a rotation practice schedule that maintains existing repertoire while learning new pieces
5. Suggest a 'performance readiness test' you can do at home before considering a piece ready
</task>

<output_format>
- Learning vs owning distinction (2-3 sentences)
- Song selection criteria (5 bullets)
- 4-stage memorisation protocol (numbered)
- Rotation schedule (weekly template)
- Performance readiness test (3-step process)
</output_format>