Longest marathon karaoke

According to Official Guinness Records,

The longest karaoke marathon by an individual lasted 101 hr, 59 min and 15 sec and was achieved by Leonardo Polverelli, at the Astra Caffe, Pesaro, Italy, from 19 to 23 September 2011.
Throughout the marathon attempt Polverelli sang a total of 1,295 songs, the event raised funds in support of Telethon.

For a complete list of 2011 records, please visit 2011 Guinness Records in Italy.

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