public function searchComposer(Request $request)
{
//get data
$dataRequest = $request->all();
$key = $dataRequest['key'];
if (!is_null($key) && !empty($key)) {
$key = Input::get('key');
$model = new Artist();
return json_encode($model->searchComposer($key));
} else {
return json_encode([]);
}
}