There are many ways to meditate with music, but one of my favorites is so simple that basically anyone could do it.
At a starter level, pick a song you like - preferably one you really like - and just listen to it. Don't let your attention drift away. Really listen to the song.
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That's it. No special somethings. No need to *not* pay attention to anything else - just make sure you're listening.
If you stop paying attention to the music, gently return attention to the music.
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It's a simple, not-too-obtrusive and highly effective way to get into a very concentrated state very quickly.