莺歌燕舞

the warbler sings and the swallow dances / prosperity abounds (idiom)

to dance / to wield / to brandish

song / CL:支[zhi1],首[shou3] / to sing

variant of 歌[ge1]

Yan, a vassal state of Zhou in modern Hebei and Liaoning / north Hebei / the four Yan kingdoms of the Sixteen Kingdoms, namely: Former Yan 前燕[Qian2 Yan1] (337-370), Later Yan 後燕|后燕[Hou4 Yan1] (384-409), Southern Yan 南燕[Nan2 Yan1] (398-410), Northern Yan 北燕[Bei3 Yan1] (409-436) / surname Yan

swallow (family Hirundinidae) / old variant of 宴[yan4]

variant of 燕[yan4]

oriole or various birds of the Sylvidae family including warblers

variant of 鶯|莺[ying1]

Yingge or Yingko town in New Taipei City 新北市[Xin1 bei3 shi4], Taiwan