Café Rainbird is a music artist in Japan. He makes retro-style music using vocal synthesizer VOCALOID and UTAU. Decoybird, the composer, is called Umbrella-p(雨傘Ｐ) in NicoNicoDouga, and known by his work 'Music box of time' (時のオルゴール Toki no Orgel, http://www.youtube.com/watch?v=9_OvUr8dkeY) sung by Luka MEGURINE, a VOCALOID. You can listen most of his works at http://caferainbird.tumblr.com/ . This mini-album contains 5 pieces sung by Uta UTANE(唄音ウタ), an UTAU singer 100% machine synthesized. She sings so sweet and depicts nostalgic and melancholic dreamscapes. Uta Utane(唄音ウタ): (C)Utane Uta Project / Ameya-Ayame