$pdo = new PDO("mysql:host=$host;dbname=$dbname", $username, $password);
$imp = $pdo->prepare("INSERT INTO `Audio` (`id`, `trackname`, `url`, `dataadd`) VALUES (NULL, 'Название', '2G2YMMASQH.mp3', UTC_DATE());");
$imp->execute();
$my1 = $imp->fetchAll();