An original soundtrack from OPUS: Rocket of Whispers developed by Sigono. Now Available on iOS and Andriod. credits released September 14, 2017 Artwork by Shun-Hui Kao All tracks written, performed, produced and mixed by Triodust (Huang, Zhen-Yang). Nº 42 "21 grams ft. Fei Lin" vocalist by Cikado, lyrics by Triodust. Mastered by Hsu, Chia-Wei. Made in Taiwan. An original soundtrack from OPUS: Rocket of Whispers developed by Sigono. Now Available on iOS and Andriod. credits released September 14, 2017 Artwork by Shun-Hui Kao All tracks written, performed, produced and mixed by Triodust (Huang, Zhen-Yang). Nº 42 "21 grams ft. Fei Lin" vocalist by Cikado, lyrics by Triodust. Mastered by Hsu, Chia-Wei. Made in Taiwan.