Reissue from Tomomi Kahara features UHQCD format. This series features the following albums "Memories -Kahara Covers-," "Memories 2 -Kahara All Time Covers-," and "Memories 3 -Kahara Back To 1995-." UHQCD (Ultimate High Quality CD) is an upgraded version of HQCD, a high fidelity CD format developed by Memory-Tech.