And frontman Johan Hegg says while they've been happy with Gustafsson's contribution, the group will wait and see how the situation plays out over the coming months.

Hegg tells Metal Sucks (via Blabbermouth): "Instead of looking for a permanent member and then halfway through the writing process feeling like this is not the right guy for us, we decided to work with Tobias so we could focus on the album and get to looking for a permanent member after that.