The music video for 'Crescendo,' a track from NMIXX's new mini-album 'Heavy Serenade,' has been released.

The new album 'Heavy Serenade,' which includes 'Crescendo,' features a total of six songs: the title track of the same name, written by singer-songwriter Han Roro; 'Crescendo'; 'IDESERVEIT'; 'Different Girl,' with lyrics co-written by BAE; 'Superior'; and 'LOUD,' for which Lily completed the lyrics alone. NMIXX is determined to showcase an even more upgraded sensibility and musicality through 'Heavy Serenade.'

Meanwhile, NMIXX will release their fifth mini-album 'Heavy Serenade' on various music sites at 6 p.m. on May 11.