March 30th - 3 new songs (193 total)

Modern Skirts – “Eveready”
Order of the Crimson Wizard – “Scream Ceremony”
White Line Allstars – “Unstoppable”

March 29th - 3 new songs (190 total)

Maylene & The Sons of Disaster – “Step Up (I'm On It)”
Moving Picture Show – “Perfect World”
Third Eye Blind – “Never Let You Go ’09”

March 26th - 2 new songs (187 total)

Big Square – “Burn”
Mayday Parade – “When I Get Home You're So Dead”

March 24th - 4 new songs (185 total)

The Bouncing Souls – “Gasoline”
Cory Wong – “Upstream”
Symbion Project – “Synthesized”
Tijuana Sweetheart – “Trash Candy”

March 23rd - 4 new songs (181 total)

Edge – “Under Water I Drown”
megaphone – “Not Your Enemy”
Mile Marker Zero – “A Thousand Nights”
There For Tomorrow – “A Little Faster”

March 22nd - 9 new songs (177 total)

Aiden – “Scavengers of the Damned”
Damone – “Roll the Dice”
Josh Freese – “I Don't Think That's Ok”
Kid Beyond – “I'm Alive”
Kristin Dare – “Anything”
Let’s Get It – “Do Not Disturb (Tell Me How Bad)”
The Main Drag – “Taking Apart a Gigantic Machine”
megaphone – “Gravitate”
Texas in July – “Hook, Line, and Sinner”

March 19th - 5 new songs (168* total)

The Apples in Stereo – “Energy”
Band of Skulls – “I Know What I Am”
The Bronx – “Past Lives”
Circus Circus – “First We Feast, Then We Felony”
Joe Sibol – “Hot Sexy Girls”

* Descend into the Eternal Pits of Possession is back in the store.

March 18th - 8 new songs (162* total)

All That Remains – “Days Without”
Carl Douglas – “Too Hot To Handle”
Demon Hunter – “Collapsing”
Drowning Pool – “Bodies”
MxPx – “One Step Further”
Seether – “Remedy”
Stewart – “Dance With Me”
The Stills – “Being Here”

* Destructive Device and Africa are back in the store, but Descend into the Eternal Pits of Possession is still missing.

March 16th - 8 new songs (152 total)

A Day To Remember – “I'm Made of Wax, Larry, What Are You Made Of?”
The Cliks – “Dirty King”
Clutch – “50,000 Unstoppable Watts”
Flight of the Conchords – “Business Time”
Midnight Riders – “Midnight Ride”
Oliver Pride – “Nothing There”
Third Eye Blind – “Semi-Charmed Life '09” 
Unearth – “We Are Not Anonymous”

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.

March 10th - 7 new songs (135 total)

Day to Day by Eulogies
Car Windows by The Main Drag
Destructive Device by Mindflow
Second Best Friend by The Nebraska Sailing Authority
Descend Into the Eternal Pits of Possession by The Project Hate MCMXCIX
Africa by Quartered
Life Unworthy of Life by Warpath

March 9th - 12 new songs (128 total)

Stick Stickly by Attack Attack!
Mordecai by Between the Buried and Me
Love and the Triumph Of by Broadcast
Push Me by The Carsitters
Whatever Happened to You by Cate Sparks
Demon Woman by Flight of the Conchords
The Most Beautiful Girl (In the Room) by Flight of the Conchords
Shiny Dark Bar by James William Roy
Do You Feel Like Breaking Up? by Mark Mallman
So Says I by The Shins
Roll Over by Uniform Motion
Approach the Podium by Winds of Plague

March 5th - 11 new songs (116 total)

Bleeder by Alchemilla
Genius by The B.O.L.T.
Cali Girl by Ballyhoo!
Push Push (Lady Lightning) by Bang Camaro
White Heat by Cetan Clawson and the Soul Side
Stegosaurus Song by Eric Harm
Code Monkey by Jonathan Coulton
Gave It Up by Pollyn
Makeup/Breakup (Original Version) by Super Gravity
Packet Flier by Terrorhorse
Minnesota by Voodoo Pharmacology

March 4th - 105 songs

Battles and Brotherhood by 3 Inches of Blood
Top Back by Alias Unknown
He Sleeps in a Grove by Amberian Dawn
River of Tuoni by Amberian Dawn
Trippolette by Andrew Buch
Race The Hourglass by Audio Fiction
Sick by Bif Naked
Tongue Twister Typo by Blackmarket
Still There by Bojibian
We Are the Best by C&O
Tadpole Search and Rescue by Chaunce DeLeon and The Fountain of Choof
The Complexity of Light by Children of Nova
Give by The Cold Goodnight
If Not Now When by Color Theory
Talk About by Dear and the Headlights
Day of Mourning by Despised Icon
Moonboy by The Dirty Love Band
The Heist by DnA's Evolution
If Trucks Drank Beer by Error 404 feat. CJ Watson
You Got That by The Everybody
Angel Lust by Fake Shark-Real Zombie!
Horses in Heaven by Fake Shark-Real Zombie!
Running for the Razors by Fake Shark-Real Zombie!
Sestri Levante by Fake Shark-Real Zombie!
Liverpool Judies by The Fisticuffs
Burn it Down by Five Finger Death Punch
Drunken Lullabies (Live) by Flogging Molly
Requiem for a Dying Song by Flogging Molly
Watch It All Go Down by Foreword
Far Away from Heaven by Free Spirit
End Quote by Full-Source
It's Not You, It's Everyone by Full-Source
Red Sky At Morn by Full-Source
Icarus' Song by Furly
Arigato by Gandhi
In Memories by Giant Target
Signs by Giant Target
Hyperbole by Glass Hammer
Sleep On by Glass Hammer
Parhelia by Heaven Ablaze
Sequestered in Memphis by The Hold Steady
It's Good by The Humans
Mechanical Love by In This Moment
Paper Valentines by James William Roy
Creepy Doll by Jonathan Coulton
Ikea by Jonathan Coulton
The Future Soon by Jonathan Coulton
California by The Kimberly Trip
A Drug Against War by KMFDM
Juke Joint Jezebel by KMFDM
Fortune by Kristin Hersh
Mississippi Kite by Kristin Hersh
Survive by Lacuna Coil
Rip'er by Lead the Dead
No Direction by Longwave
Cease and Desist by The Main Drag
Don't Let Me Down (Slowly) by The Main Drag
Dove Nets by The Main Drag
Homosuperior by The Main Drag
How We'd Look On Paper by The Main Drag
Love During Wartime by The Main Drag
Megatron by The Main Drag
Talk Them Down by The Main Drag
Teeth, Face, Outerspace by The Main Drag
Tricky Girl by The Main Drag
What's Your Favorite Dinosaur? by The Main Drag
Whatever Is Wrong With You by Marillion
Persistence of Vision by Matter in the Medium
Goth Girls by MC Frontalot
Inside Out by Nick Gallant
Turn Yourself Around by Nick Gallant
Fade Away by Of Last Resort
Heimdalsgate Like a Promethean Curse by of Montreal
Nancy Drew by Pink Flag
Fight Back by Ron Wasserman
Buried Cold by Rose of Jericho
Lemon Juice by Scratching The Itch
The Buddy Disease by Scratching The Itch
You're My Everything by Scratching The Itch
Lady in a Blue Dress by Senses Fail
Australia by The Shins
Crushed Beyond Dust by Skeletonwitch
Stand for Something by Skindred
Children of December by The Slip
Even Rats by The Slip
Grumpytown by Speck
VP of Booty Reports by Speck
Limousine by Stars of Boulevard
Can I Stay by Stephanie Hatfield and Hot Mess
Backyard Buildyard by Steve and Lindley Band
For the Love of God (Live) by Steve Vai
Get the Hell Out of Here by Steve Vai
The Attitude Song by Steve Vai
Kick Some Ass '09 by Stroke 9
Little Black Backpack '09 by Stroke 9
Disengage by Suicide Silence
Sissyfuss by Surprise Me Mr. Davis
Not My Fault by Ultra Saturday
Superhero! by Ultra Saturday
Liquid Smog (StompBox Remix) by WaveGroup Feat. Becca Neun
Rx by Wounded Soul
Lilith in Libra by You Shriek
No Heroes by You Shriek
Another California Song by Zack Wilson
Ox by Zack Wilson

Introduction

The point of this site is simply to have an RSS feed where you can get updates on what songs are available for the Rock Band Network.

It's quite possible a better solution for this will come along eventually; if so, I'll just post something pointing to it.