Longest marathon harp playing

According to Official Guinness Records,

The longest harp marathon by an individual lasted for 25 hours and 34 minutes and was achieved by Carly Syta (USA) at Notre Dame Academy High School, California, USA, on 16-17 October 2010.
Carly is 17 years old and attends the Notre Dame Academy High School. During her attempt, she played broadway tunes, standards, pop, classical and Disney music.
Carly's attempt started at 9.19am on 16 October and ended at 10.53am on 17 October 2010.

For a complete list of 2010 records, please visit 2010 Guinness Records in United States.

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