Complex sentence: Book of Shadows is "Hana no Saku Basho" by Asami Imai, and the ending is "Pandora no Yoru", by ARTERY VEIN.
Split into simpler sentences: Book of Shadows is "Hana no Saku Basho" by Asami Imai. The ending for "Book of Shadows" is called "Pandora no Yoru", and is sung by ARTERY VEIN.