March 15th - 12 new songs (147* total)

Analogue Revolution feat. First Be – “What A Trip”
Clutch – “The Mob Goes Wild”
Hyro da Hero – “Dirty South Rock”
megaphone – “My Favorite New Disaster”
Midnight Riders – “One Bad Man”
Sea Wolf – “You're a Wolf”
Solarcade – “Rise”
Texas in July – “Elements”
Universal Hall Pass – “Dragonfly (Symbion Project Remix)” 
The Word Alive – “Battle Royale”
World Minus One – “Still Alive”
Zack Wilson – “Moonshine Hollar”

* The RBN store actually has 144 songs, rather than 147, because three of the songs put up on March 10th – Destructive Device, Descend into the Eternal Pits of Possession, and Africa – have been removed.  Presumably it was an error and they'll be back soon.