It is a mashup of "Bridge over Troubled Water" by Simon & Garfunkel and Coldplay's 2005 single "Fix You",[1] with additional arrangement by the choir's conductor, Peter Mitchell.

[10] At the time, Secretary of State for Health Jeremy Hunt was debating extending the contracted hours of junior doctors, a move that proved controversial and which prompted the British Medical Association to consider strike action.

[11][12] Nerva created a Facebook event for the campaign after the video "moved [her] to tears", telling Mirror Online that "getting it to Number One would bring to the public's eye the fantastic service it provides in very challenging times".

[11] Rogerson told The Guardian that "it’s a challenging time for the NHS and morale is quite low ... We wanted people to recognise all the brilliant things that happen on an everyday basis rather than feel miserable and unappreciated.

[21] It was the closest run-in to the Christmas number one since 2009, when Jon Morter's anti-X Factor social media campaign resulted in Rage Against the Machine's 1992 single "Killing in the Name" taking the accolade ahead of the competition's winner Joe McElderry.

[24] Zoe Davies, a medical registrar who sings part of the opening solo, told The Northern Echo that "it gives the NHS a morale boost at a time of uncertainty about junior doctors' contracts and nurses' bursaries being taken away".

[25] Chidi Ejimofo, a Consultant in Emergency Medicine who sang the male solo part,[26] told the South London Press "...it is about so much more than the front line doctors and nurses.