An outlier is a group whose genetic 'song' includes little of the most usual instruments or includes them in a uncommon combination. They do not lie too far away. That means besides being special, the Basque song is not too different from the Spanish or French. Europe first and strongest principal component focus is located on the Middle East. According to him, it represents the expansion of early agriculturalists from there into Europe.
Second component has a maximum in East Russia and Lapland.
It has a minimum in Spain. It is associated to a possible immigration from the East or to adaptation to climate. Third component has a maximum in Ukraine and a minimum in Spain and north Scandinavia. It is associated with the Expansion of the Indo-Europeans. It has a maximum on Greece.