What are some artists on the show whose opening theme is Send It On?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/openingTheme> <http://dbpedia.org/resource/Send_It_On_(Disney's_Friends_for_Change_song)> . ?x <http://dbpedia.org/property/artist> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/TelevisionShow>}
Send_It_On_(Disney's_Friends_for_Change_song)