The studio recorded 12 tracks, all of which are on the current ATU release. Listen free to all tracks from the album Song-Letter~詩のたより~ by ATU in good quality online. The album, recorded in the J-Pop genre, was first released for sale on Sep 25, 2020. The highest quality audio tracks are available absolutely free on the iSong4U website. Popular radio tracks Ayatori, Ryouudenonai-guitarist, Hidmarinonakade, Eikou, Mieken-aruaru-ondo, Soudane, Wasurenagusa, Tenshitoakuma, Menomienu-nekonouta, Namonaki-hero, Shiawasenotane, Waratte-waninatte appeared as part of the release of the Song-Letter~詩のたより~.
