んだん早くなる (Dan Dan Hayaku Naru / Getting Faster and Faster) is 40meterP's 5th album. It features Hatsune Miku, but also GUMI, galaco, and IA. Dan Dan Hayaku Naru was released in Comiket 88.

A crossfade can be seen on NicoNico and YouTube and the album can be bought on Amazon.

Dandan Hayaku Naru Album
Released September 16th, 2015
Producer 40meterP
Price ¥ 2,000
Illust. 40meterP
Track list
1. だんだん早くなる
Dan Dan Hayaku Naru / Getting Faster and Faster
Hatsune Miku
2. だんだん高くなる
Dan Dan Takaku Naru / Getting Higher and Higher
Hatsune Miku
3. だんだん近くなる
Dan Dan Chikaku Naru
Hatsune Miku
4. だんだん好きになる
Dan Dan Suki ni Naru
Hatsune Miku
5. だんだん増えてゆく
Dan Dan Fuete Yuku
Hatsune Miku, GUMI, galaco, and IA
6. だんだん早くなる -piano ver.-
Dan Dan Hayaku Naru -piano ver.- / Getting Faster and Faster -piano ver.-
Hatsune Miku
Short Story Album
Short Story