In 2011, Karim released three self-produced singles. On 4 July, Karim's debut single "Just Let It Go" was released. On 24 October, her second single "Gone Too Soon" was released. On 28 November, her third single "Heroes" was released in aid of the Help for Heroes charity which supports the rehabilitation of injured British service personnel from conflicts such as Iraq and Afghanistan. On 28 August 2012, her fourth single "Are You All Ready" was released. The song was intended to inspire the athletes competing in London 2012 Paralympics Games. On 8 December 2012, her fifth single "Thank You for the Sunshine" was released. The song is dedicated to the London 2012 Olympic Games. Karim's father, Karim Ullah, wrote "Just Let It Go" and "Gone Too Soon", and "Heroes" was co-written by Karim and her father.