Four places in the BBC Young Musician 2016 semi-final have been claimed, with the winners of the keyboard, woodwind, percussion and brass categories having already earned their spot. Who will join them there from the strings final? In a hotly contested round, five talented young string players give their all, performing music ranging from Bach to Faure, Rachmaninov to Saint-Saens. Expect musical fireworks and technical brilliance.The finalists are 17-year-old violinist Charlie Lovell-Jones from Cardiff; 16-year-old cellist Sheku Kanneh-Mason from Nottingham; violinist Louisa Staples who is 16 and from London; also 16, cellist Joe Pritchard from Somerset; and completing the line-up is 16-year-old violinist Stephanie Childress from London.Clemency Burton-Hill and Alison Balsom - herself a finalist in 1998 - present extended highlights of all the performances and find out more about the competitors with profile pieces and backstage access. Who will win that last remaining place in the semi-final and take one step further towards the coveted title BBC Young Musician 2016?