BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML Calendarize//EN BEGIN:VEVENT UID:calendarize-klavierklasse-56 DTSTAMP:20260323T115723Z DTSTART:20260627T170000Z DTEND:20260627T190000Z SUMMARY:Klavierklasse DESCRIPTION: X-ALT-DESC;FMTTYPE=text/html: LOCATION:Studiosaal END:VEVENT END:VCALENDAR