Any noise cancelling apps for iPhone?

I'm sleeping at my friends house tomorrow and she can only sleep with YouTube or a tv show playing in the background whereas I can only sleep in complete silence. Ear plugs don't seem to work so does anyone know of an app that I can plug my headphones into to make it completely silent?

Why isn't my App Store working?

The App Store on my iphone won't let me search for apps, and it doesn't work when I try to download apps. What's up with that?

Is there any way of saving my music from iTunes?

So i'm getting a new iPhone, and my iCloud and storage on my apple account I'm using now is very low so i was thinking of creating a whole new apple id. However, I don't want to lose all my 5 years worth of music.
Is there any way that i can get a new iCloud, with more storage but keep my music and nothing else?

Instagram notification issues?

When I first unlock my phone (after I've collected lots of post notifications), I see that "So and so just posted a photo" and "so and so just posted a video," and I will have roughly fifteen to twenty posts like that. When I scroll down on my screen to open my notification list (on the iPhone 6 if that makes a difference), I tap a notification, and it opens the post I want to see. However, when I swipe down again to see a different post, all my notifications from Instagram are gone. If someone could tell me how to keep those notifications so I can manually delete them after viewing each one, I would really appreciate it.

**Sidenote: I don't want answers like "check the settings," I need actual instructions because my mind doesn't work like that.