Spellerberg Projects

Active Prismatic Listening, Bob Hoffnar & Max Lorenzen

Event • Saturday, October 18, 2025, 6–9pm

The upstairs project space will be transformed into a musical instrument where the location in the room will determine what the performers and audience hear. The audience will move through the space in order to hear the instrument from their personal perspective as a piece of music is spontaneously developed through the interaction of the physical space, sine waves and pedalsteel guitar. The space will be tuned and actuated by Max Lorenzen.

Sine waves by Max Lorenzen
Bob Hoffnar will play pedalsteel
Guest artists pending


About the Artists

Pedal steel guitarist Bob Hoffnar relocated to Austin from NYC in 2009 and has since become a major contributor to Austin’s cultural landscape. Originally from Silver Spring, Maryland, Hoffnar graduated from Purchase Conservatory of Music in 1998 with a BFA in Composition that included private studies with Richard Cameron Wolf. Further private studies included time with such musical luminaries as Lamonte Young, Pandit Pran Nath, and Ernest Tubb’s steel player Buddy Charleton. Bob currently runs Liminal Sound Series — a live concert performance series dedicated to the commissioning of new works and collaborations between visionary composers and Austin-based musicians and performers.

Max Lorenzen is an audio engineer in Lockhart, TX where he runs the mixing and mastering studio, Rare Ear. Originally from Summersville, West Virginia, he graduated from American University in 2009 with a BA in Audio Production. Since moving to Central Texas in 2013, Max has become a fixture in the Austin recording community. Engineering alongside producers Danny Reisch, Jim Eno, Steve Berlin, Chico Jones and Jason Chronis. His engineering, mixing, and mastering credits span across genres and include recordings by Brown Whörnet, Tele Novella, Rattlesnake Milk, The Octopus Project, Other Lives, Spoon, and Dirty Projectors.