Metallica a niche band? 
Ignornign the fact that a Metallica based game targets the score hero kiddies a hell of alot better than this
They're niche because they're almost exclusively a hard rock/metal band--arguably they're the most successful metal band, but they're still niche. The Beatles, in contrast, delved into many genres. And their fanbase is much larger and much broader--teens still listen to the Beatles as do retired baby boomers. So, yeah, compared to the Beatles, a band that has sold
billions of albums and records, Metallica is niche. Live with it.
Score hero kiddies? And do you think they make up a large percentage of consumers that buy these games? Don't let videogame message boards warp your perceptions.