BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20090414
RRULE:FREQ=WEEKLY;INTERVAL=1;UNTIL=20140520;BYDAY=TU
SUMMARY:karaoke
END:VEVENT
END:VCALENDAR