MusicMusMJamJamJ
OC Jam Sessions -- Open Jam Night (McCormick Music Lessons)
3198-A2 Airport Loop Dr, Costa Mesa, CA 92626
Occasional · 5:30 PM
Call ahead before you go
Occasional.
The group's own Meetup page, checked Aug 31, 2026, lists three separately dated instances of this event from June through September 2026, including one on Sept 26, 2026, each with a different RSVP count, showing they are real individual events rather than a repeating template [s1].
| Source | Last checked |
|---|---|
| Venue's Website | Aug 31, 2026 |