Who composed the song “Quem vidistis, pastores? (Victoria)” by The Sixteen?

The song “Quem vidistis, pastores? (Victoria)” by The Sixteen was composed by Traditional.

The Sixteen

Traditional

Quem vidistis, pastores?
Dicite: annuntiate nobis
quis apparuit?

Natum vidimus,
et choros angelorum,
collaudantes Dominum.
Alleluia.

Dicite quidnam vidistis
et annuntiate nobis
Christi nativitatem.

Natum vidimus,
et choros angelorum,
collaudantes Dominum.
Alleluia.

Who composed the song “Quem vidistis, pastores? (Victoria)” by The Sixteen?: The song “Quem vidistis, pastores? (Victoria)” by The Sixteen was composed by Traditional.