Download the NCH Tone Generator (free to try).
Find a very quiet room.
Use circumferential headphones to find the exact tone in Hz of your tinnitus.
Download the Audacity sound editor program (free).
Upload a song that you want to listen to.
Create a "notch" in the song by removing sounds at the frequency of your tinnitus.
Export the song as an mp3 file (you will need to download a free mp3 codec called "lame.dll"
Repeat as necessary for however many songs you want.
Move your mp3 files onto a portable mp3 player or just keep them on your computer.
Listen to your custom music files for 2 hours to 1 hour a day.
Your tinnitus sound level should decrease over a 12 month period.