Findings:

• Guitar Hero
• Guitar Hero 2
• Guitar Hero 3
• Rock Band vs. Guitar Hero III
• I used to judge you based on which songs you'd play on Guitar Hero 3
• Classical guitar
• guitar
• Guitar Wolf
• acoustic guitar
• steel-string guitar
• guitar pick
• bass guitar
• steel guitar
• California Guitar Trio
• Guitar Craft
• fretless bass guitar
• 8-string guitar
• baritone guitar
• electric guitar
• House of Guitars
• guitar tab
• PRS Guitars
• Jackson Guitars
• Legend Guitar Company
• Guitar amplifier
• While My Guitar Gently Weeps
• double neck guitar
• Twelve String Guitar
• How to tune a guitar
• The Everything Guide to Guitar Chords
• Everything Guitar Project
• guitar pedal
• Gibson Guitar
• Guitar holes vs. violin holes
• The Man with the Blue Guitar
• How to play guitar
• Everything that there is to do with a guitar has been done
• seven string guitar
• clean guitar
• The Munsters theme song guitar tablature
• Reasons you should take up guitar
• Buying an electric guitar
• snake guitar
• infinite guitar
• Air guitar
• Making love to your guitar
• Fred Frith Guitar Quartet
• Marc Ribot Plays Solo Guitar Works of Frantz Casseus
• Guitar strings don't make good tattoo needles
• Playing guitar is like kissing
• Some say he once killed a man with a guitar string
• How to Play any Guitar Chord
• Perl proggy for making guitar neck diagrams of scales
• guitar case
• A guitar is easy in his hands / so is an airplane / so is a pen
• Buying a guitar amplifier
• Speed exercises for guitar
• Guitar Slim
• Guitar groups are on the way out
• Larrivee Guitars
• lead guitar
• Slide guitar
• Pink Guitar Pick
• Playing the guitar can cause RSI
• harp guitar
• Gut string guitar
• guitar hack
• Guitar chords
• Guitar Coil Select
• Faster guitar playing
• left-handed guitar
• Lowering the action on an acoustic guitar
• Guitars, saxophones, pianos
• Guitar arpeggios
• guitar solo
• Guitar Center
• How to bend guitar notes without a whammy bar
• How to bend guitar notes properly
• The L.A. guitar man
• Songs for a Blue Guitar
• Parker Guitars
• Johnny 'Guitar' Watson
• rhythm guitar
• Home Recording on a Budget: Wall of Guitars
• Star Guitar
• World Air Guitar Championships
• The Best Air Guitar Album in the World...Ever
• Martin guitar
• How to repair a cracked guitar
• Size of your guitar
• Mrs. Pinocci's Guitar
• Guitar strings
• Resonator guitar
• Johnny Cash with His Hot and Blue Guitar
• Guitar coordination exercises
• Reasons you should take up bass guitar
• 42 String Guitar
• Dental floss guitar
• Russo's Guitar Shop
• Guys who play guitar to get girls
• Guitar effect pedal construction
• Guitar Vader
• Guitars by Leo
• Taylor guitars
• Making Rage Against The Machine guitar noises with your mouth is the best form of political protest
• Girl's Guitar Club
• Guitar Pro
• Guitar Romantic
• Pedal steel guitar
• Guitar adjustments
• Louisa & Her Blue Guitar
• The Guitar Player
• G & L Guitars
• Seagull Guitars
• Five modes of minor pentatonic for guitar
• Proper acoustic guitar care
• Technique and tone in playing guitar
• Recording Acoustic Guitars
• Tuning a classic guitar
• Charvel Guitars
• A quick guide to punk guitar
• Nixon's Guitar (user)
• National Guitar
• Teuffel Guitars
• guitar harmonics
• Pikasso guitar
• Leather boots and a dirge of guitars as we lowered you into that grave
• How to sing and play guitar at the same time
• Guitar techniques
• One Chord Guitar Man
• The Spanish Guitar
• Guitar Player
• Alternative Guitar Tunings
• Many bloodied guitars lie in the treasure troves of fascists.
• guitars are girls
• Guitar Shortie
• Goya Guitar
• Q Magazine 100 Greatest Guitar Tracks
• Peter Frampton, playing guitar, and beginner writing
• The Guitar Lesson
• you're a bow and arrow, a broken guitar, while the rainwater washes away who you are
• "Dude! How did you get that tone?": Guitar Effects Pedals and Processors (category)
• The introverted thinker and the guitar
• Hero
• Hero Wars
• HERO System
• The Greatest American Hero
• action hero
• Hail the Conquering Hero
• national hero
• Hero's Journey
• Hero and Leander
• Stephen Hero
• Hero With A Thousand Faces
• HERO 2000
• Soldiers who wish to be a hero
• The Hero and The Crown
• Hero's Quest
• Bill the Galactic Hero
• The Soul Leaves the Hero's Body
• Anonymous Hero
• I wanna be a hero
• New Hero's Syndrome
• Hero of the Soviet Union
• My Hero, Zero
• Tragic Hero
• Hero's formula for the area of a triangle
• everyday hero

If you Log in you could create a "Guitar Hero 4" node. If you don't already have an account, you can register here.