AUSTIN, Texas--(BUSINESS WIRE)--More than six million U.S. elementary and middle school students do not have access to arts or music classes, resulting in a generation of young people lacking much-needed school programs. Today at the South by Southwest (SXSW) Social Good Hub, StubHub, the world’s largest ticket marketplace, furthers its support of music education by announcing a commitment to put $1 million worth of musical instruments in U.S. classrooms, working in partnership with music educa