Hear Your Call can be downloaded now from iTunes, or directly from the Sami Yusuf website. All profits from the sales will go towards Save the Children's work in Pakistan. Members of the public can also donate directly at Save The Children.

Yusuf, who has sold more than 7m albums over his career, urges his fans to pay attention to the plight of people in Pakistan.

"This is an enormous disaster and I personally feel we all, as ...