Da Vinci's Notebook, Washington, D.C.'s award-winning a cappella quartet, takes four part harmony and stands it on its ear. Described as "Bobby McFerrin and 'Weird Al' Yankovic colliding on stage," their tight vocal blend, infectious humor, and madcap antics have made them a favorite on stages and at festivals throughout the country. Since the group's founding in 1993, their eclectic blend of a cappella harmony - a fusion of doo-wop, jazz, bluegrass, calypso, opera, and rock - has evolved into a unique show that the Washington Post called "exuberance...crashing off the walls!"

The quartet has appeared at music clubs and fine arts series throughout the East Coast, including the Bitter End, the Birchmere, the Barns of Wolf Trap, and the Kennedy Center. Equally at home in front of large crowds, they have also performed at Birmingham's City Stages, the Taste of D.C., the Fairfax Fair, and dozens of other festivals. Internationally, they have toured France and the Caribbean. Winners of the 1997 Mid-Atlantic Harmony Sweepstakes Festival, Da Vinci's Notebook has been featured on NBC's Today Show, on Comedy Central, in the Washington Post and Washington City Paper, and are frequent guests on local radio stations.

Members: Paul Sabourin, Richard Hsu, Greg "Storm" DiCostanzo, Bernie Muller-Thym