Watch U2 perform surprise show on Berlin underground.

Berlin commuters were treated to an extra special performance on Wednesday 6th of December as Bono and The Edge busked as part of their press tour for 'Songs of Experience'.

Busking on the U2 line in Berlin... #U2SongsofExperience  #U2 #One #GetOutOfYourOwnWay #SundayBloodySunday

A post shared by U2 Official (@u2) on Dec 6, 2017 at 6:28am PST

The pair also played the crowd pleasers such as 'Sunday, Bloody Sunday', 'One' and 'Get Out Of Your Own Way', and we're told took some questions from the unsuspecting crowds.

Catch the full video below.