MAMAMOO will be holding a guerrilla event to celebrate their music chart results.
Their new title song "Yes I Am" from mini album 'Purple' has been #1 on music charts for 62 hours since release at 6PM KST on the 22nd. It's the longest that a girl group has kept #1, since Wonder Girls' "Why So Lonely".
SEE ALSO: MAMAMOO perform 'Yes I Am' on 'Yoo Hee Yeol's Sketchbook'!
To celebrate the feat, the girls will be at the Jamsil Lotte World Mall at 8PM KST on the 25th for a surprise event.