Bands have come along with modern music around the early 20th Century. Jazz and Blues are genres that gave rise to the initial instances of the ‘band’ culture. Today, popular bands such as Green Day entertain young crowds to an appreciable extent. Older bands still performing with their zest at their zenith include Rolling Stones and a few other bands from different eras. Although many band artists perform single albums and songs, group music theory is one of the most interesting subjects for music scholars.