PolyphonicBranch is a VOCALOID Producer on Nico Nico Douga, who has also released a lot of collaboration albums for utaite. On their website, the websites to purchase the albums are listed.

For a full list of collaboration albums in a sortable table, please see here.

For more information on PolyphonicBranch as a producer, please visit his article here on the VOCALOID wiki.

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