There are some great posts to be found on MTT Open. Anyone can post just about anything relevant on MTT Open. Please keep the self-promotion to a dull roar.
Here are some recent posts:
Important stuff for artists approaching labels/ managers/ bookers by Sebastian Hess
Think Outside the Venue To Get That First Gig by Refe Tuma
Music Marketing DIY - Amanda Palmer tells All by Kevin J Ryan
Mix Tips that I tell my clients by AC Mastering