Mandolin Orchestras of the Past Orchestras Milwaukee Mandolin Orchestra This photo is of the Bonne Amie Musical Circle (now the Milwaukee Mandolin Orchestra), the oldest fretted-instrument music organization in the United States, in 1908. (received 4-2016) Search for: Annual ConventionNo current eventsUpcoming EventsJoin the Bloomfield Mandolin Orchestra!Tue Sep 9 2025, 7:00pm EDT - Tue Jun 9 2026, 9:00pm EDT News + Blog 2025 Annual General Membership Meeting Convention 2026: Minnesota, Nov 3-7 Free Evening Public Concerts at the 2025 Annual Convention in Portland, OR Order Your 2025 Open-mic Lunches En Masse Orchestra Enrolls to Capacity