Geogas 　　《地气》以Sound Track形式，创作围绕「虚拟乐队」Underground的故事，承接过往《Pick》、《Underground》、《Underground 1+2》、《Underground Ver.2.5》、《地底10.0》、《2016》等专辑的情节与音乐。主唱One带着乐团解散的情绪，由中国发展失败返回香港，在旺角区的茶餐厅重新展开人生的起步，过着平凡的生活。直至2016年的年初一，One终于觉醒，认为是时候做些地底乐团以外的事情。 　　专辑封面出自香港插画师Ranma Leung，他本身是鼓手，今次更参与了《初一》的创作，以及《低潮》、《非非》、《故事》的配乐，至于国语歌曲《离地》出自地底乐团+ Neuyabe这对老拍档的Crossover创作，并由马来西亚音乐人吉它侠担任编曲。而《地气》原声带只是未来发表的《One》小说+CD专辑的前奏热身，带出了「虚拟乐队」Underground的结局引子。　　 　　   "Geogas" Sound Track form, created around "virtual band" Underground story, following the past "Pick", "Underground", "Underground 1+2", "Underground Ver.2.5", "Underground 10.0", "2016 "and the album's plot and music. One lead singer with the band disbanded emotions, by the failure of the development of China returned to Hong Kong in Mong Kok cafes reopened start in life, living an extraordinary life. Until 2016 New Year's Day, One finally awakening that is time to do things other than underground band.   The album cover by Hong Kong illustrator Ranma Leung, his own drummer, this time more involved in the "first day" of creation, as well as "low tide", "Africa and Africa", "Story" soundtrack, as Mandarin song "off the ground" by underground Orchestra + Neuyabe this old partner of Crossover creation by Malaysian musician guitar man as an arranger. And "Geogas" soundtrack just next published "One" Fiction + CD album prelude to warm-up with a "virtual band" Underground ending primer.