How to save key & tempo

1. Right-click any song in the catalog
2. Add it to the playlist of your choice
3. Hover over the song and click the "Settings" symbol
4. You can type the name of the singer
5. You can also change the key, tempo & volumes to your liking
6. Your settings will be saved in your playlist. Every time you add a song to the queue from your playlist, it will already be programmed with your preferences