| Mask | |
| Type: | studio |
| Artist: | Aco |
| Border: | yes |
| Released: | 22 February 2006 |
| Genre: | Electropop, pop rock |
| Label: | Sony Music Entertainment (Japan) Inc. |
| Prev Title: | Irony |
| Prev Year: | 2003 |
| Next Year: | 2007 |
Mask is the seventh studio album by Japanese singer-songwriter Aco, released on 22 February 2006. It is a mini-album consisting of six songs and with a total playing time of 25 minutes.
Mask marks a significant transition in Aco's style from ambient, electronic sounds of her previous two albums, Material and Irony, to lighter, electro-pop music.[1]
Track 3 is a cover of the song of the same name by The Waitresses.