reason

 http://www.youtube.com/watch?v=-MN24mUvO3E

http://www.youtube.com/watch?v=t6NQCwI5WiE

http://www.youtube.com/watch?v=_D7aalfhZBE

http://www.djban.com.br/noticias/como-fazer-vocoder-no-reason/

http://www.youtube.com/watch?v=EzUNMqZJYlM&feature=player_embedded

http://www.youtube.com/watch?v=Fw3dQdMW-zE