Early Single Box is the first box set compilation from J-pop idol group Morning Musume, and was released December 15, 2004.

It contains their first eight singles in their entirety, each on a separate disc with an additional bonus track each.

It also includes a ninth disc with fifteen instrumentals of some songs from their first three albums.

Although the original versions of the first six singles were pressed on 8 cm CDs, all of the ones included in the Early Single Box were 12 cm CDs.

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