Coverage of the brass category final. Josie d'Arby is at the Royal Birmingham Conservatoire and is joined by euphonium soloist David Childs, himself a finalist in the competition in 2000. This year's finalists are: trombonist Isobel Daws, who studies in Manchester; Will Thomas, who plays trumpet and flugelhorn and comes from London; bass trombonist Michaias Berlouis, a student at the Royal Academy of Music in London; Annemarie Federle, a French horn player from Cambridge; and Sam Dye, a trombonist studying in London. The programme introduces us to the finalists, takes us behind the scenes and presents extended highlights of the performances. On the judging panel are two distinguished figures from the brass playing community: Simon Cowen, principal trombonist with the Royal Liverpool Philharmonic Orchestra, and Simon Cox, trumpeter, arranger and publisher. They join composer, performer and writer Kerry Andrew.

The search for the next BBC Young Musician reaches its penultimate stage as the category winners from strings, percussion, woodwind, brass and keyboards compete for three places in Sunday's grand final. Josie D'Arby is joined by acclaimed violinist Nicola Benedetti, BBC Young Musician Winner in 2004, and world-famous trumpeter Alison Balsom, artistic director of the Cheltenham Festival, who won the Brass Category in 1998.

The category winners competing in the semi-final are: Matthew Brett, a 17-year-old percussionist from Cheshire, Maxim Calver, 18, who plays the cello and studies at Yehudi Menuhin School in Surrey, and Robert Burton, an 18-year-old saxophonist who is a first-year student at the Royal Academy of Music. They will be joined by the winners of the brass and keyboard category finals.