Note (May 2014): “Oath (Dubstep Remix)” was newly mixed and included in Dark Model’s first album. For the detail, please check Dark Model first album page on this website.
The Ringtone and Ringback Tone versions are now on sale exclusively at Verizon Tones store (the United States only) (Definition of “Ringback Tones” is here). Check them out as well.
Store URL: https://mediastore.verizonwireless.com/
We’ll keep you informed of the progress on the other retailers such as iTunes. Thanks!