trying to get mpd and item var to merge

playbooks/mpdf.yaml

@@ -4,7 +4,7 @@
     #we need to loop over the /var/lib/mpd{{ count }} directory for the files/folders below. we need to loop over the stream ports as well 
     count: 5
     path: /var/lib
-    service_name: "{{ "mpd" ~ item }}"    
+    service_name: "{{ [ 'mpd' ~ item ] }}"    
     playlist_directory: "{{ '%s/%s/playlist/' % (path, service_name) }}"
     db_file: tag_cache
     log_file: mpd.log