is a radio segment in Aiko's radio program Aiko's @llnightnippon.com, which aired from 1999 until 2003. When musical guests were invited to the program, Aiko would play the piano and cover the guests'—or others'—songs; sometimes, she sang her own songs with her guests. Rarely, Aiko would improvise a short song with a guest.
Performed songs Unless indicated, all songs are covered by Aiko.
1999 Ami Suzuki (1999), "Our Days". SMAP (1999), "Fly". T.M.Revolution (1998), "Thunderbird". Porno Graffitti (1999), . B'z (1992), in Friends. Original words by Josef Mohr, music by Franz Gruber (1818), "Silent Night", first performed in Austria. Sung the English version. Taiyō to Ciscomoon (1999), . "Santa Claus Is Coming to Town". Sung with Yuzu and Taiyō to Ciscomoon.
2000 Yuzu (1999), . Hana*hana (1999), . Sung with Hana*hana. Mr.Children (1996), . Masaharu Fukuyama (1999), "Squall". Yen Town Band (1996), "Swallowtail Butterfly". Spitz (1996), . L'Arc-en-Ciel (1999), "Pieces". Yumi Matsutoya (1994), . Masayoshi Yamazaki (1997), "One More Time, One More Chance. Kinki Kids (2000), . Sung with Tsuyoshi Domoto. Kiroro (1999), . Sung with Kiroro. Iruka (1990), . Sung with Kiroro. Aiko's "Kabutomushi" (1999). Sung with Yuzu. Stevie Wonder (1996), "Isn't She Lovely?". Sung with Isa. SMAP (1998), . Sung with Yuka Kawamura. Akiko Kosaka (1988), . Aiko & Spitz (2000). An impromptu song. Luna Sea (1998), "I for You". Sung with Luna Sea. The Love (1997), . Sung with The Love. Aiko & Silva (2000), . An impromptu song. Nana Kinomi and Hiroshi Itsuki (1991), . Sung with Masaharu Fukuyama. SMAP (2000), .
2001 Aiko & Porno Graffiti (2001), . An impromptu song. Aiko & Tsuyoshi Domoto (2001), . An impromptu song. Yūzō Kayama (1988), . Sung with Fureai. Aiko & Gackt (2001), . An impromptu song. Carole King (1999), "So Far Away" in Tapestry. Sung with The Gospellers. Kirinji (2001), . Sung with Kirinji. Aiko & Chemistry (2001), with Chemistry. An impromptu song. Southern All Stars (1988), . Sung with Yuzu. Aiko (2001), . Parody of Strawberry Flower (2001), . Sadistic Mika Band (1974), .
2002 Miyuki Nakajima (1988), . Sung with Kobukuro. Aiko & The Brilliant Green (2002), . An impromptu song. Kome Kome Club (1992), . Sung with Reo Tsuchiya. Every Little Thing (2001), "Fragile". Sung with Kaori Mochida.
2003 Shikao Suga (2001), in Sugarless. Sung with Shikao Suga.
External links ゲスト／歌え！aiko – ヌルコムアーカイブス aikoのジングル大作戦 – the words of impromptu songs by aiko and her guests