The sound you heard in the portal is from bar chimes or mark tree, a percussion instrument used primarily for musical colour, created in the last 1960's by percussionist Mark Stevens

It was composed by Beethoven when he was already deaf. He couldn't hear the frenetic applause when it premiered.

Brahms, as a gift to his friend Bertha Faber, who gave birth to a son, took a German folk text and to its rhythm composed one of the most known melodies in the world

A piece from Vivaldi's "The Four Seasons". He was ordained a priest, but begged off his duties due to chest ailment. Some biographers believe he faked this to dedicate more to music.

This overture was meant for a spectacular open air performance featuring booming cannons and ringing churchbells and even final fireworks

It's a sinister organ piece attributed to Bach, associated with the Halloween holiday and other tales of horror.

It is the most popular of Dvorak's symphonies; Neil Armstrong took a recording of it with him on the Apollo mission to the moon

Composed by Bach, it is often performed at wedding ceremonies, as well as during Christian festive seasons like Christmas and Easter