Longest concert by a solo artist

Longest concert by a solo artist
Who
Kuzhalmannam Ramakrishnan
What
501 hour(s):minute(s):second(s)
Where
India ()
When
Age Restriction: Applications for this record title will only be accepted if the applicant is 16 years of age or over.
The longest performance by a solo artist lasted 501 hours and was achieved by Kuzhalmannam Ramakrishnan (India) at the Rhythm Therapy Hall, Nandavanam Hospital, Ottapalam, Kerala, India, on 5-26 July 2009 This record is the overall category for music marathons - Kuzhalmannam Ramakrishnan also holds the record for longest marathon hand drumming.