Hip-hop singer BLOO will appear in public with a new double single.

"Blue will release its new double single 'Hey, Go Smile' on its music site before 6 p.m. on July 23," hip-hop label MKIT RAIN Records said on July 21.

The double single is the first new song released by Blue in a year and two months since its EP album "It's Not Love I'm Just Drunk," which was released in September last year.

According to the tracklist released on July 20 with the cover image of "Hey, Go Smile" on its official SNS, the double single contains a total of two songs, "When I Smoke" and "Let It Go."