Hoy en la tierra - Engel haben Himmelslieder - Vinde cristãos, vinde à porfia
"Angels We Have Heard on High" is a Christmas carol.
The song commemorates the story of the birth of Jesus
Christ found in the Gospel of Luke, in which shepherds
outside Bethlehem encounter a multitude of angels
singing and praising the newborn child. (Wikipedia)
The pan flute, also known as the syrinx, is an ancient musical instrument made up of multiple tubes of different lengths aligned side by side. This instrument belongs to the woodwind family and produces sound when the player blows across the opening of each tube.