Billion Band
A band whose most popular song on Youtube has over one billion views.
Ex. 1: Twenty One Pilots is a billion band, its most viewed song has 1.4 billion views on Youtube
Ex. 2: Imagine Dragons is not a billion band, its most viewed song has 940 million views on Youtube
Ex. 2: Imagine Dragons is not a billion band, its most viewed song has 940 million views on Youtube