Valmiki Ramayana Yuddha Kanda Sarga 52 Shloka 24

धनुर्ज्यातन्त्रिमधुरम् in the form of twang of bow strings, हिक्कातालसमन्वितम् neighing of horses in the form of wooden cymbals, मन्धस्न्तितसङ्गीतम् music in the form of trumpeting of elephants, तत् that, युद्धगान्धर्वम् , आबभौ seemed.

It seemed like music in the form of twang of bow strings, neighing of horses like the sound of wooden cymbals, vocal music in the form of trumpeting of elephants, that battle seemed like symphony.