Sit at the piano without pressing any keys and mime playing an arpeggio slowly, concentrating on moving from your shoulders down through to your fingertips in one fluid motion.

This would be the notes C – Eb if ascending the piano keyboard and G or C – G and Eb if descending. There are a number of possibilities for which fingers to use for this arpeggio but the favoured ...

When a progression moves through two different keys like this one, start by adding notes from the arpeggios, using your ears to find the best scale tones to fill the gaps.