Longest marathon karaoke by multiple participants

The longest karaoke marathon by multiple participants lasted for 781 hr 31 min, in an event organised by Tim Wedgwood (UK), at The Castle Hotel in Ladybank, Staffordshire, UK, between 30 December 2009- 1 February 2010.

The attempt lasted for 32 days and over £1,000 was donated to the St Giles’ Hospice.