BanG Dream! Girls Band Party! Cover Collection Vol.4

 is the fourth collection album of full versions of cover songs by the seven bands from the game Girls Band Party!

It was released on May 27, 2020.

The first-print edition featured a swimsuit version of the cover.

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Chart Performance

 * On May 27, 2020, ranked 1st in the daily album ranking in Oricon. The album also ranked 2nd in Tower Records' daily ranking.
 * The album stayed in the weekly charts for 13 weeks.