I run a fairly successful songwriting blog - successful in that I can't live off it but for now it pays my mortgage at least. That's a start!
Songwriting Tips for Songwriters
I also run a recording blog - it is newer but is starting to gain some steam. I mostly run it from the perspective of me setting up my first project studio and what I am learning along the way.
Home Recording Studio Tips
And last month I started a deals website that is solely geared towards musicians and music gear.
I Live Music Deals
From a blogging standpoint those all keep me pretty busy. I have plans for more, but I need to maximize the effectiveness of these first.
Thanks,
DM