To keep fan-appetites’ whet, Mutya Keisha Siobhan have unveiled the lyric video for their forthcoming single Flatline, in preparation for the full visual, currently being filmed in Los Angeles.

Flatline is the first single to be released from the trio’s comeback to the charts, and is set to appear on the girls’ new album, expected in the first quarter of 2014.

Check out the full video for Flatline below: