Text 1] The Advent of Lord Kṛṣṇa: Introduction
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Vṛṣṇi dynasties and conspiring to kill him, Kaṁsa decided to kill all the children born in these families, and he also decided that any child born from the womb of Devakī must be killed. Thus he arrested and imprisoned both Devakī and Vasudeva and killed six of their sons, one after another. Nārada had also informed Kaṁsa that in his previous birth Kaṁsa was Kālanemi, a demon killed by Viṣṇu. Consequently, Kaṁsa became a great enemy to all the descendants of the  yadu-vaṁśa , the Yadu dynasty. He even arrested and imprisoned his own father, Ugrasena, for Kaṁsa wanted to enjoy the kingdom alone.
Kṛṣṇa has threefold pastimes—the Vraja-lilā, Māthura-lilā and Dvārakā-lilā. As already mentioned, in the Tenth Canto of  Śrīmad-Bhāgavatam  there are ninety chapters, which describe all these  lilās . The first four chapters describe Brahmā's prayers for the relief of the earth's burden, and they also describe the appearance of the Supreme Personality of Godhead. Chapters Five through Thirty-nine recount Kṛṣṇa's pastimes in Vṛndāvana. The Fortieth Chapter describes how Kṛṣṇa enjoyed in the water of the Yamunā and how Akrūra offered prayers. Chapters Forty-one through Fifty-one, eleven chapters, tell of Kṛṣṇa's pastimes in Māthura, and Chapters Fifty-two through Ninety, thirty-nine chapters, relate Kṛṣṇa's pastimes in Dvārakā.
Chapters Twenty-nine through Thirty-three describe Kṛṣṇa's dancing with the  gopīs , known as the  rāsa-lilā . Therefore these five chapters are known as  rāsa-pañcādhyāya . The Forty-seventh Chapter of the Tenth Canto is a description known as the  bhramara-gītā .
TEXT 1
श्रीराजोवाच
कथितो वंशविस्तारो भवता सोमसूर्ययोः । राज्ञां चोभयवंश्यानां चरितं परमाद्भुतम् ॥ १ ॥
śrī-rājovāca
kathito vaṁśa-vistāro
bhavatā soma-sūryayoḥ
rājñāṁ cobhaya-vaṁśyānāṁ
caritaṁ paramādbhutaṁ