Producent
(2021 jun 16, 17)
Dirigent
(2021 jun 16, 17)
Main Prize Round 4 Contestants
(2021 jun 16, 17)
(2021 jun 16, 17)
(2021 jun 16, 17)
(2021 jun 16, 17)
Jury and Patron / Y Beirniaid a Noddwr
(2021 jun 16, 17)
(2021 jun 16, 17)
(2021 jun 16, 17)
(2021 jun 16, 17)
(2021 jun 16, 17)
Orkest
(2021 jun 16, 17)
Cardiff, Verenigd Koninkrijk
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