It happened in the 1940s, when Erik Chisholm and Margaret Morris brought modernist dance views to bear on stories of Celtic legends that mixed traditional Scottish and modernist music. One principal: “Rehearsals were held up because the dancers had to learn Scottish folk dancing and that is all on the balls of the feet, whereas ballet you have to push your heels down; so it didn’t come naturally or easily – lots of us got blisters – but we respected it.” – The National (Scotland)