(Instagram account of @songain87/ Coridel Entertainment)

Gain of Brown Eyed Girls plans to release a collaboration piece with Jeff Bernat, her agency Mystic Entertainment said Tuesday.The song will be released this month. Jeff Bernat, a Fillipino-American musician, gained popularity in Korea after Jun. K of 2PM sang a cover of his “Call You Mine” on KBS’ “A Song for You.”Bernat’s biggest hits include “If You Wonder,” “Cool Girls” and “Queen.” The 27-year-old has been working with Korean artists. He recorded a duet with McKay Kim -- who was on SBS’ “K-pop Star” -- for his first single “Angel 2 Me” in 2015 and produced Eyedi’s first album “Sign” last year.Gain is working on the second part of her solo album “Begin Again,” which is a sequel to “End Again” that was released in September. The album will be released in the first half of this year.By Kim So-yeon (syk19372@heraldcorp.com)