The album 'Decibel OST' is a soundtrack album for director Hwang In-ho's urban terrorism action film 'Decibel', and the title song is 'Sailing' by Cha Eun-woo (ASTRO), which is included in the movie's ending credits. This album includes remakes of 'TIMELESS', 'If This Is It', 'I'm a Lonely', and 'Girl (I Promise)', which can't be heard in the movie but have already become legends in our hearts. In addition, 'Survive', with its magnificent orchestral performance and impressive melody, and 'Thinking while looking at the autumn sky (Jin Seon-mi-hee-ah LOVE)', which evokes memories of love, are added to enrich the album. Rather than a simple compilation, the quality of the album was raised through the participation of several artists with unrivaled talent and outstanding musical skills. Inst. of ‘Sailing’ and ‘Survive’. In addition, the feeling and charm of each 9-Track song will provide deep emotion and emotion.