Newsen has reported that after a 3 year hiatus and the tragic death of member Kim Min Soo in a motorcycle accident, KPOP band Monday Kiz released a single album called 'New Sentimental' on the 20th. 'Scatter' and 'Why of All,' the two other tracks on the album, have already climbed to the top of music charts. Composer Hang Sang Won, who penned their previous hits, 'Footprint,' 'Fate' and 'Backstep,' wrote both new tracks. The producer was Lee Jin Sung. Monday Kiz will begin promotional activities in May.