Simon Russell Beale begins his journey at Notre Dame in Paris, where an enigmatic medieval music manuscript provides the key to the early development of polyphony - music of 'many voices'. Featuring music performed by members of the award-winning choir The Sixteen, conducted by Harry Christophers.

Simon Russell Beale uncovers the links between the papal intrigues of Renaissance Rome and the music of the enigmatic Palestrina, whose work is considered by many to be unsurpassed in its spiritual perfection. The art and architecture of the Italian High Renaissance are accompanied by a performance from the award-winning choir The Sixteen, conducted by founder Harry Christophers.

Beale takes us back to Tudor England, a country in turmoil as monarchs change the national religion and Roman Catholicism is driven underground. In telling the story of Thomas Tallis and William Byrd, two composers at the centre of England's own musical Renaissance, Beale visits parish churches, great cathedrals and a private home where Catholic music would have been performed in secret.

With music performed by The Sixteen, conducted by Harry Christophers, Beale explores how Martin Luther, himself a composer, had a profound effect on the development of sacred music, re-defining the role of congregational singing and the use of the organ in services. Ultimately, these reforms would shape the world of JS Bach and inspire him to write some of the greatest sacred music.

Simon Russell Beale travels to Germany and Austria to explore the work of two musical giants, Brahms and Bruckner. With Harry Christophers and his choir The Sixteen, Simon discovers how Bruckner approached his sacred music as a devout Catholic, while Brahms found himself unable to believe in anything but his music.

Simon Russell Beale travels through the urban and rural landscapes of France to explore the story behind Faure's Requiem, one of the best-loved pieces of sacred music ever written. With Harry Christophers and The Sixteen, he goes on to discover how this work laid the foundations for a distinctively French style, a tradition continued by the compelling music of the outrageously fashionable Francis Poulenc, working in the heart of jazz-age Paris.

Simon Russell Beale visits Poland and Estonia to discover why the sacred music of the two highly spiritual composers Gorecki and Part strikes such a chord in today's noisy and fast-moving world. Alongside music performed by Harry Christophers and The Sixteen, Simon's journey takes him through the turbulent religious and political history of Eastern Europe as he explores the important symbolic role of sacred music in the struggle against Communism.

Simon Russell Beale returns to the UK to explore how three very different musical approaches to Christian music have captured the spiritual imagination of the nation. The composers James MacMillan, Sir John Tavener and John Rutter give a special insight into the challenges and rewards of writing sacred music for the 21st century. Music is performed by Harry Christophers and The Sixteen.