Vocals: Hideko aka Eiko Sato
Composition: Tetsuhiko Suzuki
Little by Little is a J-Pop duo under the record label Sony Music Entertainment. They started back in 2003. They are mostly known for their anime contributions. They have an opening song to the third season of Naruto called Kanashimi wo Yasashisa ni.
Another opening for Superior Defender Gundam Force called Love & Peace.
And lastly the closing theme Hummingbird to the anime Yakitate!!
Sweet Noodle Pop