+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @SuppressWarnings("unchecked")
+ public Collection<Artist> artists() {
+ return value("artists", Collection.class).get();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Group artists(Collection<Artist> artists) {
+ value("artists", Collection.class).set(artists);
+ return this;
+ }
+