Pianos for People is celebrating its 10th anniversary at “An Evening of 100 Fingers,” featuring Grammy-winning pianist Peter Martin, at 7 p.m. on Sun., Oct. 23, in the Concert Hall at The Sheldon. Classic 107.3 host Kathy Lawton Brown spoke with Matt Brinkman, the Executive Director of Pianos for People, and Patricia Eastman, one of the organization’s founders.