Top 12 musicians including Lee Hyo-ri, Lee Soo-young, Sung Si-kyung and Brown-eyed Soul released digital single albums. Digital single albums are released in the format of digital music files that could be heard and purchaed through the Internet or cellular phones. The new singles by the 12 musicians will be available on Tubemusic, a music site and through the Nate service provided by SK Telecom beginning from May 24th. The digital singles that will be released include “Cleopatra” by Lee Hyo-ri, “The Land of Goblins” by Kim Jin-pyo, and “Sad Café” by Brown-eyed Soul. To celebrate the music streaming service, Tubemusic will be providing free streaming for the 1st month of its launch.