

Human: Can you tell me who sang the songs for the Tarzan movie?

Assistant: Yes, in fact I happen to have an article here from Wikipedia.com that tells who sang the songs for the Tarzan movie:

“The songs were written by Phil Collins, the supergroup’s principal singer, and Mark Mancina, who also produced. They wrote the songs in two weeks. The film’s theme song, “You’ll Be in My Heart” (sung by Phil Collins), became an international top 10 hit single.”

Human: Yes, that's it. Do you know if he wrote those songs specifically for the movie, or if they were for an album?

Assistant: 
According to this article, Collins recorded the songs specifically for the movie:
Here’s another article that says that the songs were written for the movie, not an album: