Summary
The song “Let Her Go” by Passenger has been viewed 3.5 billion times for the original video. It is a life reflection song. Sometimes it is performed as a solo vocal and acoustic song. Several versions are below listed in order by date. [Wikipedia]
BBC (23-13 Nov 2013)
Children in Need Rocks 2013 was a two-part charity music concert held at the Hammersmith Apollo in London, England, on 12 and 13 November 2013. [Sources: Wikipedia and Video on YouTube]
RTÉ Ireland National Public Service Media (27 Apr 2013)
Passenger performs Let Her Go live in studio. [Source]
Passenger (25 Jul 2012)
This is the official music video with 3.58 billion views. [Source]