Eva Cassidy tribute Twitter account Behind The Rainbow ( @EvaCassidyBio ) welcomed its 10.000th follower this weekend. Berit Christensen from Denmark ( @BtheChangeX ) was very surprised to hear that she was number 10.000 when she started to follow @EvaCassidyBio . “Wow, that is awesome! I love Eva Cassidy, so this is really special to me,” she replied when she heard the news. As promised Berit Christensen will receive a copy of the Eva Cassidy biography Behind The Rainbow.