When can changing key sound good?

1. Why do key changes sound good?
2. Is it bad to change the key of music?
3. How do you know which key sounds good together?

Why do key changes sound good?

Relaxation in energy would be the opposite direction, usually. Large changes in key signature (many accidentals changing) are more likely to give a sense that you've gone somewhere pretty far from where you were, and small changes seem nearer by.

Is it bad to change the key of music?

Changing key is a great way to inject a bit of song energy. ... The key that you choose for your song has more to do with your (or your performer's) vocal range than anything else. That original key choice is a whole topic that requires considerable thought.

How do you know which key sounds good together?

The way it basically works is: mixing songs immediately to the left or right or up produces a good harmonic mix. So, if you're playing a song in Ab minor (1A), it'll sound good with 12A, 2A or 1B.