Group S, a trio of first-generation K-pop singers, released an EP on Friday after an 11-year hiatus.

The group, which debuted in 2003, consists of vocalists of popular boy groups of the late 1990s: Kangta of H.O.T, Shin Hye-sung of Shinhwa and singer Lee Ji-hoon.

Their latest EP “Autumn Breeze” has five songs, which are composed and produced by Kangta.

The title track “Without You” is an acoustic pop ballad sung in harmony by the three vocals. The song tells the story of a couple who has broken up and reminisces about their happy moments.

The group keeps a sentimental mood alive in “One Last Memory” with piano and string.

The mood changes with “Utopia,” a mystical British rock-style tune. The song received a fervent support when it was first introduced on Mnet’s M! Countdown, a music television program, the S.M. Entertainment said.

Group S made their first appearance on KBS’s Music Bank and SBS’s Music Trend on Friday. Its latest EP is available for download from major music sites, including Melon, Naver Music and Genie. Hard copies will be on sale from Oct. 27.

By Lee Woo-young (wylee@heraldcorp.com)