Sounds of musical instruments were the thundering noise, bow and standards were the lightning flashes; Drona and the Pandavas were the clouds, swords, darts and maces were the thunder.
वादित्रघोषस्तनितां चापविद्युद्ज्ञैर्वृताम्। द्रोणपाण्डवपर्जन्या खड्गशक्तिगदाशनिम्॥