German Oktoberfest Band, Beer, Pretzels, and German Food 26-27 October in Bali. Don't let this October pass you by without participating in the authentic Oktoberfest Festivities at Das Bistro by Mamas in Bali. A month-long celebration of Oktoberfest-themed festival specialized food and beverage promotions will be highlighted by the appearance of an authentic German Happy Hour Band on two nights only - Thursday and Friday, October 26