MusicMaster personal edition is [295.00].(http://www.musicmaster.com/product.php?id=8)
I don't know how expensive GSelector is, but it's probably more than MusicMaster.
this is probably what you're looking for.
This web site can help point you in the right direction. It's geared toward Internet radio but many of the legal aspects are the same for radio broadcasting:
https://www.airtime.pro/how-to-start-an-internet-radio-station-a-step-by-step-guide/
If you want to operate a radio or TV transmitter in the U.S. you'll need an FCC broadcast license. You may also need local permits to build a transmitter antenna.
If you're in the United States, you can license music for broadcast through ASCAP.
Check out online radio platforms like Airtime Pro. They have a Black Friday promotion that gives up to 4 free months to new subscribers: https://www.airtime.pro/black-friday/
We are giving away 10 Airtime Radio stations free for 1 year. All you have to do is tell us how you'd use the station to change the world. Deadline to apply is August 31. https://www.airtime.pro/change-the-world-with-your-radio-station/
by the way I just found this on the airtime blog: https://www.airtime.pro/how-to-start-an-internet-radio-station-a-step-by-step-guide/ which can be super helpful