Shiva Purana
तदुद्भावितगानोत्थरसैर्माध्यस्थमाचरन् ॥ गन्धर्वैरप्सरोभिश्च सुखमास्ते निषेवितः ॥ १७ ॥
They moved about in the middle of the sky, inspired by the sound of their songs. He is happily served by the gandharvas and apsaras.
english translation
tadudbhAvitagAnottharasairmAdhyasthamAcaran ॥ gandharvairapsarobhizca sukhamAste niSevitaH ॥ 17 ॥
hk transliteration by Sanscript