Complex sentence: In 1995, Opeth released its first studio album, "Orchid", and after more changes to the lineup, the band released "Morningrise" and "My Arms, Your Hearse" in 1996 and 1997 respectively.
Split into simpler sentences: In 1995, Opeth released its first studio album, "Orchid". After several more lineup shifts, the band released "Morningrise" and "My Arms, Your Hearse" in 1996 and 1997 respectively.