MAMAMOO's Solar has revealed the making of her 'COLOURS' mini album.

In the making-of video above, Solar takes you behind the scenes of the album production process from planning to recording to dance practice and more. "But I" is the title song of the MAMAMOO member's second solo mini album 'Colours', and it's about feeling angry towards a past lover.

Watch Solar's 'COLOURS' making-of above, and let us know what you think in the comments below.

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