Creator Features:

Maximum number of daysa playlist may be generated in advance.
Related Artist support. Several artists may be treated as one artist as far as Artist Repeat Protection is concerned.  eg. John Cougar

John Cougar Mellencamp

John Mellencamp.
Related Title support. 2 or more songs with the same tune but with a different title may be treated as one title as far as the Title Repeat Protection is concerned.  This is particularly useful for Christmas songs.
Advanced Playlist Editor
Generate personalized HTML playlists for your website or intranet.  Staff

remote voice tracking DJ's

and/or listeners can see what has played and is yet to play.  DJ's can see the selected songs for their shift wherever they are in the world.
Global separation rules to prevent too many tracks of the same genre

tempo

mood

energy

gender

or decade being played too close together.
Track Rating Priority enables tracks with a poorer rating to be selected less often than other tracks.
Recycle Category Tracks will take the songs used during one period of the day and recycle them in another period of the day

giving the impression of a larger music library.
Linked Artists for scheduling 2 or more tracks by the same artist in the same hour for special purposes. May contain spots or jingles between the selected tracks.
Last Track Bias attempts to select the last song in the hour to fit as close as possible with the remaining time. Can produce hours within a few seconds of 60 minutes.
Voice Tracking System Easily and quickly record and insert voice announcements into the playlist.  This makes your station sound 100% live when unattended in automation mode. Voice tracking provides a way for a DJ to pre-record a show spanning several hours within a few minutes.StationPlaylist Studio Pro supports playing voice tracks simultaneously with the beginning (ramp) of the next song

so this combination provides a seamless "live" show for the listener

when completely automated/unattended.
Traffic/Billing log file import Supports all major traffic/billing commercial scheduling software including Natural Log

AdMaster

The Traffic Light

Radio Traffic

Radio Works for advanced management of advertisements.
Music log file import Converts 3rd party music scheduler logs into the format StationPlaylist Studio requires. Has been utilized with Music 1

PowerGold

RCS Selector

Natural Music

etc.
Advertising (Spot) Summary A summary of the advertising spots scheduled in the playlist is generated as a spreadsheet compatible file

which may also be printed.  This may be used for billing purposes.
Password protection A master password may be applied to prevent all access to Creator. A password may also be applied to protect against creating a playlist

and a 3rd password to limit who can edit playlists.
Maximum song categories (eg. music genres

tempos)
Maximum spot groups (ads

jingles

etc)
Maximum rotations (hourly templates of categories/spots)
Maximum schedules (daily templates of rotations used for each hour of each