Only the current version so far — new entries appear as the app ships updates.
Good 대중가요 is a music & audio app by Apptrackr with 10,000+ downloads (about 24K estimated). Released Dec 2, 2013. Install growth, rank history, SDKs and ad networks.
From the store listing: “This is an application that allows you to listen to music 24 hours a day in real time.”