Official Kamen Rider Avex Sound Web

The Official Web page for all the Kamen Rider musics has been opened by Avex. Avex is Japan's leading dance record company during the nineties, and continues producing and recording some of Japan's most famous J-pop singers such as Japan's highest selling female musician, Ayumi Hamasaki. Avex Trax also provides theme music soundtracks to many anime and a few video games.

A little info about Avex Group relating to Kamen Rider,
Avex started recording for Kamen Rider theme song and OST since Kamen Rider Ryuki. It is said that the group was established in 1988. As said earlier, Avex Group is Japan's leading recording studio and had produced theme songs and soundtracks for millions of anime and TV series. Since Avex had been recording for Kamen Rider series, they decided to start an official webpage especially for Kamen Rider Music.
The webpage is called Kamen Rider Avex Sound Web.
They will update all the latest music updates relating to Kamen Rider Series on this very webpage.

So, check it out at

http://mv.avex.jp/rider_sound

 Here's a preview on how the webpage would look like when you enter. ^_^

  So, that's all! ^_^

Source: Kamen Rider Avex Sound Web