Sixteen-year-old Alexander Prior is one of Britain's most talented and prolific young composers. He began composing at the age of eight and has already written more than forty works.

Now Alex brings together some of the world's most remarkable young musical talent to perform a concerto.

Taking inspiration from these talents he writes a quadruple concerto and invites the children come to England for a week of intensive rehearsals, which climaxes in Alex conducting a concert at the Sage Gateshead, with The Northern Sinfonia.

But before the performance, Alex must ensure these extraordinary young performers are able to work together and create a spectacular performance on the night, as it promises to be a defining moment in all of their careers.

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