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SB 9.24.9
babhrur devavrdha-sutas
tayoh slokau pathanty amu
yathaiva srnumo durat
sampasyamas tathantikat
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
The son of Devavrdha was Babhru. Concerning Devavrdha and Babhru there are two famous songs of prayer, which were sung by our predecessors and which we have heard from a distance. Even now I hear the same prayers about their qualities [because that which was heard before is still sung continuously].