ボーカロイドたちがただﾃｯﾃｰﾃﾚｯﾃｰするだけ (VOCALOID-tachi ga Tada tettey-terettey Suru Dake)

Background
"tettey-terettey" is an original song composed by GYARI with Kagamine Rin/Len, Megurine Luka and Yuzuki Yukari.

The title of the video on Nico Nico Douga is Vocaloid-tachi ga Tada tettey-terettey Suru Dake (ボーカロイドたちがただﾃｯﾃｰﾃﾚｯﾃｰするだけ), Vocaloids just do tettey-terettey only.

This song was released as a single.