109 people 3/17/2010 Manhattan, New York United States

Opus Moreschi conducted an nose flute orchestra of 109 people through a rendition of Mary Had A Little Lamb. 

The record was set at a St. Patrick's-themed World Record Appreciation Society event held at Joe's Pub in New York City. Dan Rollman and Corey Henderson were present as witnesses.

Event: #WRAS13