Dies irae - Wikipedia

The Sin War - Wikipedia

Symphonic Dances (Rachmaninoff) - Wikipedia

Thomas of Celano - Wikipedia

Requiem (Mozart) - Wikipedia

Requiem (Verdi) - Wikipedia

Actually on time VNs I've read in 2019

The Ancient Magus' Bride - Wikipedia

Dies Irae

Dies Irae, Shinza Bansho Wiki