[UPDATED]They are in 128kbps, but most were converted from flac audio (or 320kbps). So... enjoy!! :)
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2005 ~ Osu! Tatakae! Ouendan Original Soundtrack
LINK: https://drive.google.com/drive/folders/0B5UfljZ67vNjelViU0Y5eHAwZjg
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2006 ~ Elite Beat Agents Original Soundtrack
LINK: https://drive.google.com/drive/folders/0B5UfljZ67vNjejJuMXJrQXVlREU
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2007 ~ Moero! Nekketsu Rhythm Damashii Osu! Tatakae! Ouendan 2
LINK: (Coming soon...)
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Any problems just contact with me!! (Sorry for my bad english...)

Cheers man!