It was unknown to the band that when Ace laid down his vocal tracks for the album, he recorded over Mitch's vocal tracks, destroying them. There were not any other versions of Mitch's vocals and those tracks have become lost. While Mitch's vocals did not appear on that album, his contributions to back-up vocals did make it on the Reflections of the Solstice album.
It was unknown to the band that when Ace laid down his vocal parts for the album, he inadvertently destroyed Mitch's tracks, making them inaccessible. There were no alternative versions of Mitch's vocals available, and those recordings have been lost. Conversely, Mitch's backing vocals did appear on a different album.