BTTB is a 1999 piano solo and duet album by Ryuichi Sakamoto.

Two separate versions of the album were pressed, for Japanese and international markets.

The International version opens with the three songs off of the Ura BTTB (ウラBTTB) maxi single released in Japan as a promotional tool, while replacing a few pieces elsewhere in the album.

[3] All tracks are written by Ryuichi Sakamoto This 1990s album–related article is a stub.

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