Can we use different back-end logic (Java & python) for developing a website?

I am developing a website for downloading songs.It has two interfaces where one is end users and another is for admin.Admin can set the metadata(artist, year of release, rating, genre), to do this I have python eyed3 API.For end users, I have to retrieve songs list based on input provided, to do this I am using java(since I am familiar), Is it possible to use different programming languages as backend on apache tomcat server? IS there any API in java which works like eyed3?