BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20121114T183000
DTEND:20121114T203000
RRULE:FREQ=MONTHLY;INTERVAL=1;UNTIL=20140522;BYDAY=2WE
SUMMARY:Open Mic
END:VEVENT
END:VCALENDAR