By Elizabeth Brown, Guest Contributor   My name is Elizabeth Brown and I am 14 years old. I have a twin brother named Matthew. Our good friend and classmate was recently diagnosed with rhabdomyosarcoma, and we wanted to show our support by doing something that would benefit him and all people fighting sarcoma. We knew that we could make a difference through our talents of music. I play classical guitar, violin, and sing, and Matthew plays piano and organ. Together, we organized the St. Mark Young Artists Concert series to benefit the Sarcoma Foundation of America. We performed a variety…  Read More »