Sara Mohr-Pietsch maps a musical universe around Beethoven’s Moonlight Sonata, exploring the sound ... speakers), just say 'Ask BBC Sounds to play Music Map'.

are used to show how loudly to play a piece of music ... Look at the music below for Beethoven’s Moonlight Sonata. pp (meaning very quiet) at the start of the piece and in bar 5.

The first thing we should do in approaching this musically remarkable and, in terms of its exploration of the composer’s tempest-tossed inner life, extraordinarily fascinating addition to the ...