Complex sentence: In 2010, Damon founded the Traveling Guitar Foundation, a 501 (c) (3) nonprofit organization that works to ensure that school children have access to high-quality musical instruments and instruction.
Split into simpler sentences: In 2010, Damon founded the Traveling Guitar Foundation. The Traveling Guitar Foundation is a 501 (c) (3) nonprofit organization that works to ensure that school children have access to high-quality musical instruments and instruction.