Complex sentence: The First song, "Mahiru No Tsuki" is a soft ballad song, while the B-Side, "Prayer", much like "Mahiru No Tsuki" is also a soft, slow, sounding song.
Split into simpler sentences: The first song, "Mahiru No Tsuki," is a soft ballad. The B-side, "Prayer," is also a soft, slow-sounding song.