You need to choose what type of music you're going to play. Do you like to rock out to heavy metal, or would you prefer the soft, soothing sounds of a symphony? If you aren't sure what type of genre you plan on playing, you can just call yourselves "experimental." Listen to various genres of music and see which one you enjoy the most. It is quite necessary to decide what genre you plan on playing, because it'll draw in the audience who likes it the best...
A Yooyuball Story Elbin absolutely lived for Yooyuball. All his essays at Neoschool were on the delightful subject of Yooyuball (which his teacher found, after the first nineteen essays, not so delightful anymore)...