Hello! There is a small misunderstanding about that tuning. Both of our albums in stores now are on six strings, but I've always been a seven string player. That is why I play sevens live even though until now, none of the material has been seven string. The GCGCFAD tuning is what my guitar is tuned to when I go on stage to play six strings songs. I just ignore the seventh string (G).
The new album is tuned to as follows - GDGCFAD. This is a more standard dropped tuning for a seven. So in turn its not too unusual. It also makes the writing problem you mentioned a little easier : ) I hope this answers your question properly!
