The phrase is slightly ambiguous in this context, but it usually points to one of the following:

If you are preparing an activity for this track, you can follow these steps:

WEB 2022 (likely a digital re-release or archival file) Style: Trance / Uplifting Trance How to Prepare a Listening Paper

In some contexts, "paper" refers to a formal examination or essay; you might be asking to prepare a study or analysis of the track's structure or impact.

I have focused on the most likely intent: for the track. Track Overview Artist: Chris Schweizer Title: Mind Episode: A State of Trance (ASOT) 723

It could also refer to physical preparation for a craft—such as wetting or stretching paper—perhaps to create fan art or a visual project inspired by the song.

What was presented in listening lessons in seq 4? - Facebook