You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "In which prestigious venues did the Pakistani female singer performed who's some songs were written by Riaz-Ur-Rehman Saghar?" whose answer is Royal Albert Hall.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Pianist Riaz-Ur-Rehman Saghar Pakistani female singers
Useful Output:

Doc 1: LYRICS BY RIAZ UR-REHMAN SAGHAR, MUSIC BY ADNAN SAMI KHAN BRIAN ENGEL PUBLISHING WORLD MUSIC NETWORK RGNET 1116 CD (Australian distributor
Doc 2: Pakistani feminist · Sabiha Khanum. Pakistani actress · Bano Qudsia. Pakistani writer · Riaz ur Rehman Saghar. Pakistani Poet
Doc 3: Fariha Pervez (Urdu: فریحہ پرویز‎) is a prolific and versatile Pakistani female singer. She is specially known for the rendition of various popular and
Doc 4: Rafiq Ali, known as Master Rafiq Ali in the film world, a Pakistani music composer composed from 1958 to 1987 a total of 62 songs for 26 films.
Doc 5: Saghar versed vocals for many singers such as Hadiqa Kiani's songs 'Dupatta Mera Malmal Da' and 'Yaad Sajan Di Ayi'.