sentences:  Patanjali's statement, "sahasravartma samvedaha" सहस्रवर्त्म समवेदः gives rises to speculation that there were a thousand branches of Sām, while he poetically indicated there could be a thousand ways in which Sāma could be sung.In 'Sāmatarpana' there are a maximum of 13 Āchārya-s but today there are only three branches.1.