Christoph Grabs Root Area feat. Nicole Johänntgen 28. October 2025 Basel, Switzerland Atlantis Basel View All Gigs OFFBeat Festival Basel Time Tuesday @ 8:30 PM Venue Details Get Directions Address Atlantis Basel, Klosterberg 13, 4051 Basel, Switzerland offbeat-concert.ch/series-2025/christoph-grab%E2%80%99s-root-area Christoph Grab tenorsax Marcel Thomi hammond Elmar Frey dr Nicole Johänntgen altosax