Did you already played Guitar Hero on your Playstation 2? You can play as you're a great guitarist, There is also a pc version, which you can easily play with your keyboard!, it called frets on Fire

Frets on Fire is a game of musical skill and fast fingers. The aim of the game is to play guitar with the keyboard as accurately as possible. The best part of the game is that you can make and edit your own songs into the game with a music editor.

You can download Frets on Fire Installer here, but if you like something more, you can get it :)

Try the Frets on Fire, and then try these Frets On Fire Mods, has better layout and interface, so what are you waitin for, just Download Frets on Fire Mods now.

Here is the feature :
+All 6 themes - Gh1 / Gh2 / Gh2Orig / Gh3 / RbMFH / 8bit)
+Big-Ass Neck Pack (130 concurrently-named necks)
+Additional Rock Band main menu music
+Additional GH3 main menu music
+Entirely too many random stages