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: "Riaz ur Rehman Saghar wrote songs for a Pakistani singer who has performed at Albert Hall, and what other prestigious venue?" whose answer is The Kennedy Center.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Pakistani singers who performed at Albert Hall
Useful Output:

Doc 1: The year was 1988 when Peter Gabriel invited our legendary Nusrat Fateh Ali Khan to perform at the Royal Albert Hall in London.
Doc 2: This well-amplified Prom came in three parts – North Indian raga, South India's version of that art-form, and Pakistani qawwali.
Doc 3: Those expected to perform included Ghulam Ali one of the world's most leading gazal singers, Nizami Brothers and Taufiq Niazi the Qawwali
Doc 4: Performers ; Budhaditya Mukherjee. sitar ; Soumen Nandy. tabla ; Kumaresh Rajagopalan. Carnatic violin ; Jayanthi Kumaresh. Saraswati veena ; Anantha
Doc 5: Atif has performed at the prestigious Royal Albert Hall in London, alongside Jay Sean and is the only Pakistani to have performed at London's O2