Mahabharata 12.93.2

भीष्म उवाच · bhīṣma uvāca

अत्राप्युदाहरन्तीममितिहासं पुरातनम्गीतं दृष्टार्थतत्त्वेन वामदेवेन धीमता

atrāpyudāharantīmamitihāsaṃ purātanamgītaṃ dṛṣṭārthatattvena vāmadevena dhīmatā

Our plain-language meaning of this verse is waiting for scholar review.