Complex sentence: The collection also includes, as the first piece, a "Fantasia", which belongs to the type cultivated by Pachelbel: an eight-measure theme returns periodically as a refrain, in a polyphonic texture.
Split into simpler sentences: The collection also includes, as the first piece, a "Fantasia", which belongs to the type cultivated by Pachelbel. Here, an eight-measure theme returns periodically as a refrain, in a polyphonic texture.