The first act of the YouTube Symphony Orchestra's Carnegie Hall performance has just gone live over on the video site, following the group's performance on the 15 April.

The event represents the culmination of YouTube's project to create the world's first online collaborative orchestra that saw over 90 talented musicians selected.

Together, the musicians, both professional and amateur, play 26 different instruments and come from over 30 countries and territories on six continents.

Hit play now to see the video that includes both footage of the live performance as well as clips from the chosen musicians.