Wiktionary
minibosses
n. (plural of miniboss English)
Wikipedia
Minibosses
Minibosses is an independent progressive rock band originally from Northampton, Massachusetts and now located in Phoenix, Arizona. They are known for their video game music covers, which are instrumental rock variations of the theme music from classic Nintendo video games such as Mega Man, Metroid, and Castlevania. Such covers earned Minibosses the best cover band award in the Phoenix New Times Best of Phoenix 2006.