How does a band that hasn’t released an album in six or seven years tour the U.S. and pull in large crowds at venues like the 9:30 Club – all without the financial support of a record label? Two words: Matt Sharp. You probably remember Sharp playing bass in a little band called Weezer, circa 1994, before people stopped caring. Back in the Blue Album days, Weezer singer Rivers Cuomo commanded attention for crafting pop…