A lot of the tabloid stories are written so well, they're very clever and very funny. But you have to focus on what's really important and not read them - don't dive into it and don't get caught up in it.
We should note that this latter type of shift was successfully amplified to a considerable extent by Russian physicists using the intense light of a ruby laser whose wavelength is close to that of a transition of the potassium atom.
Playing music is not really susceptible to theory much. Circumstances affect it so much.