Complex sentence: It comprises (like the hymns for Terce and Sext) only two stanzas of iambic dimeters together with a doxology, varying according to the feast or season, as in the hymns for Prime, Sext and Compline.
Split into simpler sentences: It comprises (like the hymns for Terce and Sext) only two stanzas of iambic dimeters together with a doxology, varying according to the feast or season. As in the hymns for Prime, Sext and Compline.