The highest sound quality of audio tracks is the main advantage of the iSong4U website over its competitors. Online version of the album Kagurairo Artifact by Mafumafu is now available to listen for free. The announcement of the album to the general public took place on Oct 16, 2019. At the presentation, it was announced that the songs were recorded in the J-Pop style. 20 musical compositions were included in the release of Mafumafu. The following tracks are available: Shinobi No Susume, Jikai Program, Sacrifice, Jigsaw Puzzle, Malfunction, Oborozuki, Super Nuko Ni Narenkatta, Onnanoko Ni Naritai, Ugokazarukoto Yama No Gotoshi, Kimi No Kureta Asterism, Rewrite the Saga, Manjushage, Tosenbo, Kugutsu No Shinzo, Haikyo No Kuni No Alice, Umareta Imi Nado Nakatta, Art Wo Kagaku Suru, Sore Wa Koi No Owari, Haikei Sakura Maichiru Kono Hi Ni, Asakiyumemishi, presented as part of the release of the Kagurairo Artifact.
