Maciej Fun Bar reads less like a standard restaurant listing and more like a downstairs music room: reviewers describe a basement location, live music, and musicians dropping in for sessions. The verified cuisine is not specified, but the price level is $$ and the Google signal is strong: 4.7 stars from 637 reviews.
The service notes are unusually vivid. One reviewer praised the bartenders as efficient, quick, talkative, and kind even while extremely busy; another called out attentive servers during a long, busy stay, while noting a less positive interaction at street reception. The picture is specific: a busy bar scene with warmth once you are inside.