バクの心臓 (Baku no Shinzou / Heart of Baku) is Iyaiya-P's long awaited first album. It was first distributed at VOCALOID-PARADICE in Kansai. The album contains 8 tracks, sung by Megurine Luka and Hatsune Miku.

A crossfade of the album can be heard on Nico Nico Douga.

The album is purchasable on Amazon.

Iyaiyap album baku no shinzou
Released March 25th, 2012
Producer Iyaiya-P
Price ¥1,260
Illust. Chi Chiru Chiru
Track list
1. 一閃に翔ける
Flying Flash
Hatsune Miku
2. 氷のなかに
Voice in Ice
Megurine Luka
3. 夢幻破壊
Hatsune Miku and Megurine Luka
4. 中身のない音楽史
meaningless music
Hatsune Miku
5. Rainbow Quest
Hatsune Miku
6. 命座
The Constellation Life
Megurine Luka
7. バクといっしょ
with the Baku
Megurine Luka, IA
8. 夢詠み
dream diary
Hatsune Miku, Megurine Luka
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