Children made this piece of art. It immediately caught my attention. Cones painted in dazzling colours. The contrast between natural and artificial. Here’s a piece of music that has such contrasts too. And it retained my attention for a much longer time span than those cones, even if they get an honorary mention on this blog: Sonata for Cello and Piano in D Minor (L. 135), written by Claude Debussy and recorded by Sol Gabetta and Hélène Grimaud. Brace yourself, for you are in for a wild ride through the realm of chords and harmonies.