Riaz ur Rehman Saghar wrote songs for a Pakistani singer who has performed at Albert Hall, and what other prestigious venue?
Riaz ur Rehman Saghar:  He is credited with having written over 25000 songs in his lifetime, including many for noted Pakistani singers such as Hadiqa Kiani ("Dupatta Mera Malmal Da" [دوپٹہ میرا ململ دا], "Yaad Sajan Di Ayi" [یاد سجن دی آوے]) and a duet song with Asha Bhosle and Adnan Sami Khan ("Kabhi to Nazar Milao" [کبھی تو نظر ملاؤ]). Hadiqa Kiani: Hadiqa Kiani (Urdu: ‎ ) is a Pakistani singer, songwriter, and philanthropist.
i don't know