What, no encore? Telefunken mic is part of 32-hour solo performance
POLAND: Alex Carlin has earned the new Guinness World Record for Longest Concert by a Solo Artist with the aid of a Telefunken Elektroakustik M 80 vocal mic and Gibson J-45 acoustic guitar. Eclipsing the previous record of 27 hours, 3 minutes and 44 seconds, Carlin performed for 32 hours at the Pub Bourbon Street, Radomsko, Poland.
Source: What, no encore? Telefunken mic is part of 32-hour solo performance
