Tom Service looks at how pieces of music end, and asks what endings mean. Are they mere framing devices, or can they suggest weightier thoughts of triumph, or conversely, of death? And what of the fading away so prevalent in pop music? From Beethoven's insistent affirmations to Tchaikovsky's bleak despair, from Haydn's witty farewells to Human League's intimations of eternity, the ways that music ends are as various as music itself.

Released in association with Proms at ... Cadogan Hall 6 – The Sense of An Ending.

Tom Service investigates the link between music and colour ahead of Prom 45 and Stravinsky’s colourful folk-ballet Petrushka.

A piece of music can be 'dark' or 'bright' or we could be singing the 'Blues' - but what does that mean? Professor Jamie Ward - an expert in synaesthesia - is on hand to help. Tom delves into a world of musical colour from Messiaen and Copland, Scriabin and Ravel to David Bowie and Beyoncé to discover whether music can ever be colourful.

The sea in all its musical majesty

Dancing with the devil in the pale moonlight, Tom Service signs his soul in blood as he explores musical versions of the Faust story - including Mahler's epic setting of Goethe's Faust in his eighth symphony. Guest Matthew Sweet lends his devilish expertise on Faustian films, from Bedazzled to The Witches of Eastwick.

Recorded earlier today at Imperial College, London, as a prelude to tonight's Proms performance of Mahler's Symphony No.8.

Why synths are so cool

As the world's greatest celebration of orchestras and orchestral music that is the BBC Proms gets underway, Tom Service attempts to shed some light on three centuries of orchestral manoeuvres... When did orchestras begin and why? Why do they have standardised sections of strings, woodwind, brass and percussion? Why did they seem to get bigger and bigger as the 19th century turned into the 20th? Why have so many of the great composers spent so much of their time writing for them? Are they still relevant to today's composers and what's their future?

And to find out what it's actually like to play in an orchestra, an individual working together with sometimes 100 others, Tom talks to Beverley Jones, double bassist with the BBC Symphony Orchestra.

David Papp (producer).

Tom Service savours the sound of the fifth - an interval with many meanings, from mystic drone to military bugle call. He's joined by Early Music expert Jeremy Llewellyn who explains the significance of the fifth in medieval music, related to The Music of the Spheres and used to invoke the Almighty in religious chant; and by composer David Bruce, who describes how composers today find fresh uses for this primal sound. Tom finds the open, ringing sound of the fifth in all sorts of music, from a Buzzcocks guitar solo to a Bruckner symphony, providing the thrill of adventure in the Star Wars theme and underpinning the reels of Scottish bagpipe music.

Today on The Listening Service Tom gets into gear for the truck driver modulation - crunching from one key to another, and not worrying overly about the musical synchromesh.

There's not too much attention paid to the proper rules of harmony in today's programme, which celebrates the emotional and dramatic impact of the well-placed sudden key change. From Bruckner to Bon Jovi, Mahler to Michael Jackson, and less alliteratively, from Schubert to Bill Withers via Barry Manilow, we may love to hate this technique, but join Tom as he stands up for the key change (like Westlife).

With Dr. Dai Griffiths, Senior Lecturer in Music at Oxford Brookes University, and novelist Elizabeth Day.

"My music is best understood by children and animals," pronounced Igor Stravinsky, no doubt with a twinkle in his eye. According to his critics (and jealous colleagues), Stravinsky's composing consisted of picking up any old second-hand musical baubles he fancied, like a restless musical magpie - sometimes he even had the effrontery to leave them virtually unchanged. Frustratingly, audiences seemed to lap it up. To make matters worse, when it came to explaining his music, Igor liked nothing better than to hide behind contradictory and gnomic statements, as bewildering and frequent as his changes of musical style.

Tom Service goes in search of the essence of Stravinsky, at once one of the greatest yet most elusive 20th Century composers. Including contributions from playwright Meredith Oakes and Stravinsky biographer Jonathan Cross.

David Papp (producer).

In this special edition of The Listening Service recorded live at this year's Hay Festival, Tom Service explores the parallels between great children's literature and music written for young people. From Debussy to Prokofiev, Bizet to Britten - childhood has fascinated some of the greatest composers - how does their approach compare to children's writers and illustrators? What can we learn from music written by youngsters themselves and what lessons can be learned from music, pictures and words created for children? Joining Tom to answer those questions at the piano, is the composer and pianist Richard Sisson who wrote the score for Alan Bennett's The History Boys at The National Theatre and the Royal Shakespeare Company's Goodnight Children Everywhere; and the award-winning author and illustrator Ed Vere, creator of Mr Big, Max the Brave and Bedtime for Monsters.