I spent HOURS (maybe DAYS :-)) searching for, compiling and renaming these 55 MP3 files to make them teacher-friendly.
They are all theme songs and commercials in the public domain, so there are no licensing or copyright issues.
I renamed the files with a number in front which indicates how long the "song" is. So, for example, if I want a 1-minute transition, I might choose "59 Teenage Mutant Ninja Turtles" which is 59 seconds, or "103 Scooby Doo" which is 1 minute and 3 seconds.
It gives the