Complex sentence: Since Martini's untimely passing in 1995 the mainpart of her substantial back-catalogue has been re-issued to CD in Continental Europe and Japan, including four versions of "Libera", the original ballad version has however yet to be commercially released.
Split into simpler sentences: Since Martini's untimely passing in 1995 the mainpart of her substantial back-catalogue has been re-issued to CD in Continental Europe and Japan, including four versions of "Libera". The original ballad version has however yet to be commercially released.