It's a busy music week, this one. There's everything from samba to classical music, so all of you anti-hipsters should be pleased. Most importantly, Torontoist's 'Back to School' Party is this Thursday, and we better see y'all there -- especially you anonymous commenters. You know who you are. As always, if there's a show happening that we haven't listed, let us know in the comments. Recently Announced Oct. 4 - The Long Winters @......