classic waka stream

音高き鼓の山のうちはへて
楽しき御代となるぞうれしき
Roma-ji

Oto takaki tsuzumi no yama no uchihaete tanoshiki miyo to naru zo ureshiki

English Translation
Loud the sound it makes,
like Tsuzumi Mountain's drum
beating on and on,
a joyful reign is coming,
and how glad it makes my heart
Meaning
Like the loud drum that gives Tsuzumi Mountain its name, beating on and on, the reign goes on and becomes a joyful one, and that makes me glad.
Commentary
Book Five Celebration Poems 315

The place name Tsuzumi Mountain, the Drum, is drawn in by 'loud the sound', and uchi, to beat a drum, leads into uchihaete, going on and on, as the poet rejoices in a long and joyful reign. Weaving in the sound of drums and joy, the poem evokes the festive bustle of a celebration.
From poem 315 through poem 319 in this book come poems that weave in place names such as Tsuzumi Mountain, Asahi Village, Okoto Village and Nima Village to celebrate a well-ordered reign. Celebrating the reign by weaving in place names is a form often seen in the poems of the Yuki and Suki provinces at the Great Thanksgiving Festival.

First line, 'oto takaki', means loud the sound, suggesting a drum and leading into tsuzumi in the second line.
Second line, 'tsuzumi no yama no', is a mountain named for the drum, linked by the drum to uchi in the third line.
Third line, 'uchihaete', means going on and on, a pivot word in which uchi also means to beat a drum, related to tsuzumi in the second line.
Fourth line, 'tanoshiki miyo to', means into a joyful reign.
Final line, 'naru zo ureshiki', means how glad that it becomes, zo binding with the attributive ureshiki.
Source
Kinyo Wakashu
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