Sister Sin toured in Europe and North America with bands such as Slayer, King Diamond, Lordi and In This Moment[1] before splitting in November 2015.

In early 2010, they recorded a follow-up album entitled True Sound Of The Underground with producer Henrik Edenhed (of Dead by April, Lambretta etc.).

[2] which landed on number 96 at Top Heatseekers in the United States on 22 June 2010 Later that year the band parted ways with bassist Benton Wiberg, due to his inability to tour.

Three US tours followed, first with Michael Schenker Group, Lynch Mob ( Liv Jagrell's boyfriend, known simply as Ricky (Babylon Bombs), filled in on an interim basis.

[4] The album was mixed by Cameron Webb (Motörhead, Social Distortion, Danzig) and entered the Swedish Rock/Metal Charts at #6 and #36 on Top Heatseekers in the first week of release in the US.