Many of you will remember the arrangement of Lady Gaga's Bad Romance played as 3-voice fugue from a few months ago. Here's the same Giovanni Dettori fugue arrangement, played by Matthias Rascher on a 1756 Johann Philipp Seuffert pipe organ in the Maria Limbach Pilgrimage Church in Lower Franconia:
BTW if you're not yet sold on Lady Gaga, take a look at this video of her awesome keyboard skills.
(Thanks, Mona!)