K339 7C04 Vesperae solemnes de confessore C major / 3 Beatus Vir • Whose Song?

K339 7C04 Vesperae solemnes de confessore C major / 3 Beatus Vir
is a song by
Wolfgang Amadaeus Mozart
it was released on
Complete Works Vol 7 CD 04 Vesperae Solennes