Try this for the loop code.
<?php
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
$loop = new WP_Query( array(
'post_type' => 'music',
'paged' => $paged
) );
?>
Try this for the loop code.
<?php
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
$loop = new WP_Query( array(
'post_type' => 'music',
'paged' => $paged
) );
?>