Listen to 不快な音 online. 不快な音 is an Instrumental language song and is sung by ハロウィン BGM. 不快な音, from the album 怖い音 2019 - 笑い声、邪魔な声、怖い曲, was released in the year 2019. The duration of the song is 5:04. Download Instrumental songs online from JioSaavn.