The goalkeeper moved to Glasgow from Legia Warszawa almost three years ago and has been one of the club's most consistent performers.

BBC: Boruc content to stay at Celtic

The Berlin albums are perfectly poised between art and pop, containing both avant-garde enigmas like "Warszawa" and glorious, gripping songs like the title track of "Heroes, " which sounded not at all out of place, 35 years later, as Team GB's Olympic anthem.

CNN: Bowie: Why we're just glad to have him back