Longest videogame marathon playing a karaoke game

Longest videogame marathon playing a karaoke game
Who
Julian Hill
What
24/21/25 hour(s):minute(s):second(s)
Where
United Kingdom (London)
When
Age Restriction: Applications for this record title will only be accepted if the applicant is 16 years of age or over.
The longest marathon playing a karaoke videogame was 24 hours 21 minutes 25 seconds by Julian Hill (UK), who sang in support of Great Ormond Street Hospital, London, UK, from 13–14 April 2012.