Ten School bands, groups, ensembles and choirs play the annual Spring Concert.
One of the world's most loved choral works will be performed by the School Motet Choir this Holy Week.
John Lyon's Year 9s international exchange students swap the cold of Harrow for the sunshine of Thailand.
The de Mello Cup, awarded to the John Lyon Musician of the Year will stay in the same hands for the first time ever.
The concert will see an exciting and varied programme of School music.