bhai islam main Moseeqi ki koi gunjaish naheen hay , aajkal qwalion k nam par jo ho rha hay sab haram hay , Aalat-e-Moseeqi k baghair qwali ahl ko jaiz aor ghair ahl ko manna hay , gana bjana islam main sakht haram hay
Alahazrat ki kitab ''MASAIL-E-SAMA''
http://www.razanw.org/modules/alahazratbooks/item.php?itemid=181
yeh topic bhi dekheay:
http://www.islamimehfil.com/topic/1629-fatwa/