BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20111203T190000
RRULE:FREQ=MONTHLY;INTERVAL=1;UNTIL=20140522;BYDAY=1SA
SUMMARY:Grand Night for Singers
END:VEVENT
END:VCALENDAR