What music should play in the game?

Question

Audio

I am creating an online team game. I have a musician friend who can easily create any kind of music, but I don't know what kind. Apparently, you need two tracks: for the menu and directly for the gameplay itself. The question is: what kind of music should be played in terms of psychology, so that people would be pleased to return? For example, once I played the game "Candy crash" with a friend out of boredom, and a few days later I discovered that the melody from this game is still playing in my head

Answer 1

give your game (or sketches) to your friend, and if he is a talented musician, he himself will be able to throw a good option.
especially not in vain you are friends, you understand each other not the first day;)

Answer 2

depending on which game, complete the question, describe the game, the theme of the game, the style of the game. You can even leave screenshots. Such things must be taken into account. Just like "what"? You can talk about anything. If in some kind of indie firefly - she plays cheerful and active. Go to the Witcher 3, listen to the tracks there against the background of the whole picture, as much as goosebumps. So that....