Los Twang! Marvels The Band Los Twang! Marvels are currently based in Berlin. The founders, the delirious guitarists Alex Antonio (Argentina) and Marisol Yolanda (Chile), launched the band in the far east of Germany in the heart of post-Wall Saxony in 2002. In Leipzig Los Marvels created a scene faithful to the cavernous sound of guitars reverberating at high velocity amid percussion, hot and wild rhythms. They soon found the perfect groove as an instrumental quartet