Take a look at this Scientific American blog post by Christina Agapakis.
In summary, it shows how people perceive smells differently dependent on genetic makeup, age, gender, health, and other factors. They have different sensitivities to the smell of particular substances, different ways of describing them, and differ in how attractive they find them. Watch the short video in the blog post. If you have a scientific bent, chase through the links and read the original research article. If you want you can even reanalyse the same data, which is provided in spreadsheet form.
I really don’t understand how anyone can think that any honest tasting note is anything other than totally subjective.
Here is a review of the genetic bssis for some diferences in the perception of flavour:
http://www.flavourjournal.com/content/1/1/9
See also this article from The Independent:
http://www.independent.co.uk/news/science/the-smelling-test-the-genetics-of-olfaction-2192370.html