Plot: In the third of this series of Henry Wood Promenade Concerts recorded at the Royal Albert Hall , London Iona Brown is the violin soloist and also directs the ACADEMY OF ST MARTIN-IN-THE-FIELDS in two masterpieces from Mozart's youth: the Violin Concerto No 3 in G major (K 216) and the Symphony No 29 in A major (K 201). Introduced by RICHARD BAKER