US musician Beck goes back to the future

The alternative rock star, singer-songwriter and multi-instrumentalist Beck has released 11 albums since the mid-1990s but his latest offering, Song Reader is very different - it is a book of sheet music.

Michael Smith explores how the work shows how music has gone full circle - from a written code on a piece of paper to play an instrument, through to a computer code to make an MP3 player work and back.

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