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4/4 Miranda Sawyer presents Six Degrees of Jubilation with Jeremy Deller and Sister Bliss.
3/4 Miranda Sawyer presents Six Degrees of Trepidation.
2/4 Dr Marcus de Sautoy and Blur's Dave Rowntree discuss calculation and maths in music.
1/4 Miranda Sawyer explores the gloriously inextricable links between music and emotion.