Song creating in Frets on Fire is very easy. First, you need a basic software called Freetar Editor.
It is available here: Freetar Editor
1. To create your song, you need an .ogg file of you soundtrack. To get one go to http://www.media-convert.com and convert your mp3 or wma to ogg.
2. Then, run Freetar Editor and go to File>New Song.
3. Select your ogg file when it browses.
4. Then go to Playback>Press button to record mode.
5. Press F1 for green, F2 for red, F3 for yellow, F4 for blue and F5 for orange. Press these keys while the song is playing and match the notes with the song.
6.Once you are done with the song, save it as <song name>.sng
7. After you have saved it, go to this website: FoF Tools
8. At the website, navigate to "Freetar Hero SNG to Frets on Fire MID converter"
9. Browse for the SNG file that you just created.
10. After you upload it, it will produce a notes.mid file. Download it to your desktop.
11. Go to your "C://Program Files/Frets on Fire/data/songs" folder. Create a new folder and name it the name of your song.
12. Drag and drop your notes.mid file into the folder.
13. Rename the original .ogg file you had to song.ogg then make two copies of it. Paste 1 of the song.ogg files into the folder.
14. Now, take the other song.ogg and rename it to guitar.ogg. Put it into the folder.
15. Now, open up notepad and type in exactly as shown in the picture, but replace the things in stars with your own names.
16. Save this file as song.ini in the folder. To put the extension as .ini, change in from text document to All Files and type in song.ini.
17. You are now done! Fire up the game and it will be available to play in the track list!
Credits to me. Please post replies and sticky please! If you have any questions, please pm me or post here, I will get back to you ASAP.