Dual Rock is a Rock station broadcast online 24 hours a day, based in Colombia, which has a proposal that combines alternative rock, 90's Rock, ... See more Latin Rock, Rock Colombiano, Grunge, Indie and new proposals with the most prominent bands and memorable success for over 50 years of history of the genre. With a young format, versatile, innovative, fresh and invigorating, Dual Rock focuses on meeting the musical needs of new generations and the young adult who enjoys Rock and related genres.