“This scent had a freshness, but not the freshness of limes or pomegranates, not the freshness of myrrh or cinnamon bark or curly mint or birch or camphor or pine needles, not that of a May rain or a frosty wind or of well water... and at the same time it had warmth, but not as bergamot, cypress, or musk has, or jasmine or daffodils, not as rosewood has or iris... " - Perfume
First, a short video about a real Perfumer and her creative process:
Now, check out this series from the BBC on Perfume making.