Producer
(2021 May 29, 30; Jun 19, 20)
Stage director
(2021 May 29, 30; Jun 19, 20)
(2021 May 29, 30; Jun 19, 20)
(2021 May 29; Jun 20)
Soprano
(2021 May 29, 30; Jun 19, 20)
Bass-baritone
(2021 May 29, 30; Jun 19, 20)
Piano
(2021 May 29, 30; Jun 19, 20)