BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20100401T180000
DTEND:20100401T210000
RRULE:FREQ=MONTHLY;INTERVAL=1;UNTIL=20140620;BYDAY=1TH
SUMMARY:Acoustic music by Hank & Nora
END:VEVENT
END:VCALENDAR