Valmiki Ramayana Aranya Kanda Sarga 57 Shloka 12
Original Shlokaतं दीनमनसो दीनमासेदुर्मृगपक्षिणः। सव्यं कृत्वा महात्मानं घोरांश्च ससृजुस्स्वरान्।।3.57.12।।
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दीनमनसः dejected at heart, मृगपक्षिणः animals and birds, दीनम् piteous, महात्मानम् great soul, तम् him, सव्यम् कृत्वा keeping him to the left, आसेदुः remained, घोरान् horrifying, स्वरान् sounds, ससृजुश्च released.
Dejected at heart, the birds and animals piteously kept the great soul (Rama) to the left and produced a dreadful cacophony.