 The first three volumes of "Tevaram" are composed by Sambandar, the next three by Appar, and the seventh by Sundarar.Appar and Sambandar lived around the 7th century, while Sundarar lived in the 8th century; all three are among the 63 Nayanars ().During the Pallava period these three travelled extensively around Tamil Nadu, offering discourses and songs characterised by an emotional devotion to Shiva and objections to Vaishnavism, Jainism and Buddhism.