Please read the Documentation: This is already possible.
1. Question Fixed Event: Creates a playlist item and Start at the given Date and Time. If the fixed event was created in a template, it will only be included in the playlist if the date is greater than the current date. Otherwise, it automatically becomes a follow-item as if the fixed event was previously an "AS RUN" item. < Try with List Manager (Templates)
2. Question Simply add Emerceny Playlist & Random Plugin.