Complex sentence: Rore also composed secular Latin motets, a relatively unusual "cross-over" form in the mid- 16th century, which paralleled the sacred madrigal, the "madrigale spirituale".
Split into simpler sentences: Rore also composed secular Latin motets, a relatively unusual "cross-over" form in the mid- 16th century. Owens, Grove Online These motets paralleled the sacred madrigal, or the "madrigale spirituale".