She has written scores for Cowboy Bebop, Terror in Resonance, Ghost in the Shell: Stand Alone Complex, Wolf's Rain, Turn A Gundam and Darker than Black.

During this time, Kanno—whose parents had only allowed her to listen to classical music—was introduced to rhythm by a friend who played drums in a school band.

While at Waseda, the Japanese video game company Koei asked Kanno to compose the soundtrack to Nobunaga's Ambition.

[3] Yoko Kanno's soundtrack themes include "Kiseki no Umi" (Lodoss War), "Voices" (Macross Plus), "Tank!"

In regards to making the Stand Alone Complex soundtrack, she said: I had this image of a formal and rigid 'manly' world for the original comic.

For the opening theme song called 'inner universe,' I had an image of digital bits and composed a score consisting of recurrent quick beats.

[citation needed] In reference to this, she once stated: In my case, the creators talk to me and ask me to do a soundtrack a year or two before the animation is finished.

[5]She was the lead member of the project band Seatbelts, which regrouped in 2004 to compose the soundtrack for the PlayStation 2 Cowboy Bebop video game (released in Japan in 2005).

Due to her close involvement in the Cowboy Bebop anime, the game released by Bandai also features her work.

Some popular brands she has composed for are Canon, DoCoMo, Fuji Xerox, 7-Eleven, Microsoft, Nissan, Toyota, Shiseido, Avon and MasterCard to name a few.

Yoshikazu Okada wrote the lyrics for the vocal portion, which was performed at the celebration by the idol group, Arashi.

In a 2009 written interview, Robin said that she would perform live for the first time at Kanno's 2009 Tanabata Sonic concert.

[15] Later, she composed NHK's official support song on the occasion of the first anniversary of the earthquake entitled "Hana wa Saku" (花は咲く, Flowers Will Bloom), including lyrics by Sendai film director Shunji Iwai.