Complex sentence: The song is built up like a story Koda is telling to a lover of hers, and in the beginning she is reminiscing about a meeting they had, and how she felt at the time that his feelings for her were driving them apart.
Split into simpler sentences: The song is built up like a story Koda is telling to a lover of hers. In the beginning she is reminiscing about a meeting they had, and how she felt at the time that his feelings for her were driving them apart.