So, first and foremost: Happy (almost) Fourth of July, everyone! Now, let's talk about the weekend in music, per protocol. As always, the stuff we already discussed up first.Tonight's pretty busy, actually: Asylum Street Spankers, Porterdavis and The O's play the Granada; The Edge gets the 20th Anniversary treatment at the Lakewood Theater with the likes of Pop Poppins, the Bat Mastersons, Cottonmouth, TX and Deep Blue Something all set to perform; Dirt Nasty (aka former MTV VJ Simon Rex) takes