Regarding music: "in a track" or "on a track"

Is it

• 1.1 "it doesn't matter if you hear it on rap tracks"

• 1.2 "it doesn't matter if you hear it in rap tracks"

Would it be different if I use "song" instead?

• 2.1 "it doesn't matter if you hear it on rap songs"

• 2.2 "it doesn't matter if you hear it in rap songs"

My gut feeling says "on" is correct, with 2.2 allowed colloquially

Solution 1:

My instinct would be to use "in", since such usage is common with other forms of art:

I read it in a book.
I heard it in a song.
I saw it in a picture.

Modern media has confused things, though:

I read it on my iPad.
I heard it on the radio.
I saw it on TV.

However:

I saw it in a movie.

All of these usages are colloquial, and using "in" instead of "on", and vice versa, would not work. As for "I heard it in/on a music track?", go with your instincts.