Bonus track

Okay kiddo, so when musicians make an album they usually only put a certain number of songs on it. But sometimes, they have extra songs that they didn't put on the album for different reasons. These extra songs can be really cool too and fans might really like them. So, sometimes the musicians put these extra special songs at the end of the album, after all the other songs. This is called a bonus track. It's like getting an extra toy in your Happy Meal at McDonald's, it's a little special surprise that you didn't expect but makes you really happy!