Listen to HALO's album preview for 'Happy Day'!
Listen to an in-depth album preview of the songs fromHALO's upcoming 2nd mini album, 'Happy Day'!
The mini album contains 5 songs total, including their bright, energetic title track "Hey Mari", and more!
Keep an eye out for more of HALO's teasers, leading up to their full comeback on September 2!