Mr Blue Sky

It is a crazy project to take a song from a rock group whose very name evokes both the extravagance of their instrumentation and their use of technological interventions, and render it into a 4-part a cappella texture, isn't it? And yet, the Electric Light Orchestra's optimistic and uplifting tune works its cheerful magic just as happily in this version, as popularised by Reckless quartet:

Disclaimer: I don't think this arrangement sits on female voices especially easily, but have been persuaded into transposing it by a couple of very accomplished ensembles who have the range. For people with normal skills: approach with care.