What is the birth place of music artists which were associated with Albert Ayler ?
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Albert_Ayler> <http://dbpedia.org/property/associatedActs> ?x . ?x <http://dbpedia.org/ontology/birthPlace> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/MusicalArtist>}
Albert_Ayler