Knock wa 3-kai: Knock Three Times
Japanese title: ノックは３回 ～Ｋｎｏｃｋ　Ｔｈｒｅｅ　Ｔｉｍｅｓ
Alternative titles: Minna no Uta
Type: Music
Source: Original
Episodes: 1
Status: Finished Airing
Aired: Oct 1, 2007
Duration: 2 min
Rating: G - All Ages
Producers: NHK
Themes: Music
Demographics: Kids

Music video for the song Knock wa 3-kai: Knock Three Times by Naoto Kine that was featured on NHK's Minna no Uta program.