The deepest concert underground was at 1271 m (4,169 ft 11 in) below sea level at Pyhäsalmi Mine Oy, Pyhäjärvi, Finland and was performed by Agonizer (Finland) on 4 August 2007.
The deepest concert underground was at 1271 m (4,169 ft 11 in) below sea level at Pyhäsalmi Mine Oy, Pyhäjärvi, Finland and was performed by Agonizer (Finland) on 4 August 2007.