Most concerts performed in 12 hours

According to Official Guinness Records,

The most concerts performed in 12 hours is 37 and was achieved by Gérald Genty (France) in Brussels, Belgium, on 19 August 2015. One of the concert venues during the record attempt was Delíríum Café that holds the Guinness World Records title for the most varieties of beer commercially available with 2,004 different varieties.

For a complete list of 2015 records, please visit 2015 Guinness Records in Belgium.

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