Understand speed and pitch

1. Tempo is the speed of the beat. Pitch is how high notes sound.
2. Without key lock, changing speed also changes the pitch.
3. Key lock tries to keep the pitch while speed changes.
4. Key shift moves the pitch by small steps called semitones.
5. Keep changes small at first, and compare the same phrase.
6. Pause, return tempo to normal, and reset key shift when finished.

Captioned walkthrough assembled from genuine captured app views. Computer-generated on-device narration. Not a continuous screen recording, live member session or hardware demonstration.
