Wednesday Campanella (aka suiyōbi no Campanella) has a new single that was released just recently on iTunes Japan. The song "Edokkko doko doko" was featured on NHK E-Tele kids TV program "Nihongo de asobo". The song also features other characters and kids voices from the show.
Wednesday Campanella "Edokko doko doko" (Download)
水曜日のカンパネラ 「江戸っ子どこどこ」
NHK Educational Corporation
Out now (1/1)
Sample/buy: 
"Old rocker from California. I absolutely [...]" -Jeff
"Old rocker from California. I absolutely [...]" -Jeff
"Hello! I am currently trying to find two [...]" -jens
"I will always love Konishi-san, but God, [...]" -Damian
"I love the album. Konishi made a great selection [...]" -Jorge Cano
"I LOVE your music!! Thank you all so [...]" -James Walden
"Oops! So sorry and I'm very embarrassed. [...]" -James Walden
"I love the HEY GIRL track!! any idea of who [...]" -Damian
"Keep awaiting word for the vinyl release [...]" -Patrick
"en asturiano [...]" -pelayu
"I like Yuko because Yuko is a lovely..... [...]" -"O"
"oh this is great. i'm a huge yes, mama ok? [...]" -oliver
"best track is either shoplifting blues, sun [...]" -aviston
"Please come to Vienna/Europe aswell! [...]" -Eric Unbekannt
"can i translate this into chinese?it [...]" -percy
"This was such a great interview, thank you [...]" -Blutsvater3
"Rajamtaim please [...]" -Daison
"Wow! What a wonderful come back!! [...]" -Damian