Who would have thought that the world’s largest lithophone is located in Vienna? Under the title Sounds & Visions, the artists CID RIM and Oliver Hangl conceive a performative sound tour in front of and inside the mumok building—taking place on Monday, May 11, 2026, from 5 to 8 pm, as an official side event of the Eurovision Song Contest—that allows visitors to experience the museum as an auditory and architectural resonance chamber. The building’s basalt-lava facade serves as a lithophone and is activated with live sounds by the musician CID RIM. His performance transforms the facade into a sonic threshold between public urban sphere and museum.

Following the thirty-minute act, which fills the mumok facade with sounds, visitors enter the building to encounter a sound and speech intervention by the performance artist Oliver Hangl.The museum’s glass elevators, which connect all eight levels, become intimate spaces of recital for historic ESC lyrics. As part of an acoustic guerrilla intervention, catchy tunes are planted throughout the exhibition: following a precise action plan, activists mingle with visitors, humming, whistling, or singing melodies that lodge themselves as infinite loops in the minds of unsuspecting listeners.

The project Sounds & Visions invites the audience to gather in front of the museum to hear the architecture sing and then to move through the building—walking and lingering—to experience audible vibrations as a continuous exchange between architecture, sound, and performance.

SOUND OF WALL: CID RIM 
Live Sound Performance 
Concert performance of mumok’s outer and inner facade. As a drummer and electronic musician, CID RIM expands the percussive possibilities of the facade through electronic sound modulation. 
Live concert 5 pm (outdoor mumok facade) 
Live concert 6.30 pm (indoor) 
Each concert lasts approximately 30 minutes.

Sound and Speech Intervention by Oliver Hangl 
Elevator Song Contexts
ESC song lyrics in the mumok elevators—performed live in their original languages 
5 pm to 8 pm

Catchy Tunes
Acoustic Guerrilla Intervention in the Exhibitions
Following a precise action plan, activists mingle with visitors, humming, whistling, or singing melodies that lodge themselves as infinite loops in the minds of unsuspecting listeners.
5 pm to 8 pm