In March 2007, she collaborated with composer Yoko Shimomura and released her first major debut album, Murmur.
The music in Tobal No. 1 was composed by eight of Square's composers: Yasunori Mitsuda, Yasuhiro Kawakami, Ryuji Sasai, Masashi Hamauzu, Junya Nakano, Kenji Ito, Noriko Matsueda, and Yoko Shimomura.
Yoko Ono | Yoko Kanno | Yoko Ishida | Yoko Shimomura | Yoko Shibui | Roger Shimomura | Osamu Shimomura | Ina-Yoko Teutenberg | Hakubun Shimomura | Yoko Tsuno | Yoko Tani | Yoko Takahashi | Yōko Ōta | Yōko Oginome | Yōko Nagayama | Yoko Kamio | Yōko Ishino | Tsutomu Shimomura | The Ballad of John and Yoko | John and Yoko in 1969 recording ''Give Peace a Chance | Be My Yoko Ono |