Open access choir The Voice Project is today celebrating its 10th anniversary with a 12-hour song cycle at Norwich Cathedral.
Timepiece is the group's latest choral spectacle which is being presented as part of the Norfolk & Norwich Festival.
Starting from midday and running through until midnight, every hour on the hour members of Norwich-based group are performing original music in the historic city landmark.
A solo singer began the spectacle which will build up to the full 150-strong choir, plus soloists and instrumentalists, presenting a concert tonight before the music fades back to a single voice at midnight.
The whole performance – which features music written by Orlando Gough, Jonathan Baker and Sian Croose and takes place across various parts of the cathedral's cloisters and garth – explores our relationship with time.
• Hourly performances are free on the hour from midday to 8pm and at 11pm and midnight. Tickets for the 9pm-10pm concert tonight cost £10. Visit www.nnfestival.org.uk• For more details about The Voice Project, visit www.voiceproject.co.uk
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