B1A4 (비원에이포) KOREAN B1A4 (ビーワンエーフォー) – Empty Mind Empty Mind 1 2012.10.24 Jinyoung, CNU, Baro, Sandeul, Gongchan Lyrics/作詞: B1A4 Composer/作曲: Takafumi Fujino, STEVEN LEE Arranger/編曲: STEVEN LEE