+ parser.formatOutput = {parseString, type in
+
+ var formattedString: String
+
+ switch(type) {
+ case .About:
+ formattedString = "\(parseString) [<artist_name> <song_name>]"
+ break
+ default:
+ formattedString = parseString
+ }
+
+ return parser.defaultFormat(formattedString, type: type)
+ }
+