Since 2011, UnTwelve has organized and sponsored summer events to give time and space for musicians to compose, practice, study, and perform new and oddly-tuned musics together.

Next year's event, the 2027 Microtonal Recording Retreat, will take place in late spring at the MidMountain Retreat Center in western Virginia.


Past events:

• 2026 at MidMountain, Natural Bridge Station, Virginia
• 2025 at MidMountain, Natural Bridge Station, Virginia
• 2024 at World Fellowship Center, Albany, New Hampshire
• 2022 at Western Washington University, Bellingham, Washington
• 2019 at Gesundheit! Institute, Hillsboro, West Virginia
• 2018 at Western Washington University
• 2017 at Circle Pines Center, Delton, Michigan
• 2016 at Circle Pines Center
• 2013 with Music from Salem, Salem, New York
• 2012 at Gesundheit! Institute
• 2011 at Gesundheit! Institute