Mark has a music start up and he wants to be able to separate the explicit ones from the regular ones. But with thousands of songs, it's not practical to listen to all of them. How can he do it in a batch format? Leo says the metadata would be the key, if the MP3/AAC has an explicit tag in it. There's a program called MP3 Tag. Wikihow.com has an explanation of how to do this. The Chatroom found this article from hypebot.com on 10 Metadata Music editors.
He should also be able to search using the explicit filter in iTunes.