Pop/EDM singer Lachi has probably put as much work into being an artist as she has into being an advocate for the disabled community. She has sung at the Lincoln Center and the White House, spoken at the United Nations and become a member of the Grammy Advocacy Committee, where she has helped make the awards ceremony more accessible for artists with disabilities. The artist has also brought in members with disabilities to the Recording Academy, including Namel Norris, Gaelynn…