Who sings the song in new O2 advertisement It seems to be based on an old tune animals came two by two... etc.?

The song featured in the new O2 advert, titled "We Connect The UK", is a reimagined version of the classic nursery rhyme "The Animals Went In 2 By 2". It is sung by British singer-songwriter Freya Ridings. In this cover, she sings that O2 connects the UK, highlighting O2's role as a telecommunications company providing connectivity services across the country.