It is called "I Am the Doctor" from the soundtrack from season five of the British science fiction television series "Doctor Who", of which Lisa and I are fans.
Great music. Great television show. If you like science fiction it is worth a watch. Wikipedia has a very extensive description of the show.
And if you feel out of sorts, you don't know what day it is and reality seems a bit strange it's because things sometimes get timey-whimy, wibbly-wobbly. Boating will do that to you.