Regarding it, O Yudhishthira, there are some Verses, originally sung by the departed Manes, that are now sung (in the world). Sanatkumara communicated them to me former days.
गाथाश्चाप्यत्र गायन्ति पितृगीता युधिष्ठिर। सनत्कुमारो भगवान् पुरा मय्यभ्यभाषत॥