3:28 [BTS - 21st Century Girls] Comeback Stage | M COUNTDOWN 161013 EP.496 7:23 King Crimson - 21st Century Schizoid Man (Including \"Mirrors\") 3:07 Bad Religion - \"21st Century (Digital Boy)\" 4:35 Green Day - 21st Century Breakdown [Official Music Video] 3:46 Weekend Players - 21st century 4:00 21st Century - Remember The Rain (Lyrics) 4:01 21st Century - Remember The Rain 10:58 King Crimson - 21st Century Schizoid Man (Live in Japan, 2015) 4:11 KiD RAiN - 21st Century Love (Official Audio)