Valmiki Ramayana Kishkindha Kanda Sarga 1 Shloka 14
Original Shlokaविक्षिपन्विविधाश्शाखा नगानां कुसुमोत्कचाः। मारुतश्चलितस्थानैष्षट्पदैरनुगीयते।।4.1.14।।
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नगानाम् of the trees, कुसुमोत्कचाः filled with flowers, विविधाः several, शाखाः branches, विक्षिपन् shaking, मारुतः wind, चलितस्थानैः by the displaced, षट्पदैः bees, अनुगीयते is accompanied with music
"As the wind shakes the flowers off the branches of various trees the bees bumble in tune with the (whistling) wind.