The #1 on Music Bank on 2012-06-08 was “2HOT” by G.NA — win No. 1 for the song and career win No. 1 for G.NA (No. 1 on this show).
“2HOT” has 1 music show wins in total: 2012-06-08 Music Bank. G.NA had 1 wins in 2012 up to this date, and this was the artist's first win on Music Bank. The previous week's Music Bank #1 was “The Chaser” by Infinite. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.