Why won't some of my music play on my iphone?

Most of this music is from cds since none of those are working. Then it's just a few random songs here and there. Is there a quick fix to this? I figured i'd ask here if it was easy enough but if not i'll go to apple support.

Added (1). i forgot to mention that it works perfectly fine on itunes if that makes a difference

IPhone 5S No Service ( Maxis )?

Currently i've changed my phone to iphone and also changed my carrier to maxis. But i've been experiencing no service faulty.Sometimes if I put the sim in and out it will work for a minute with 3-4 bars then return back to no service. What is the cause of this all? Is it my phone or the sim etc?-i did reset the network/restart phone/toggle airplane mode but no work-ios 7.1.2

My iPhone 4s not connect to PC?

I have tried 3 different cords now, and they all work fine when I put them in a wall charger and charge my phone, but when I put the cords into the computer, nothing happens, it doesn't even show that my iPhone is connected to my computer… I'm currently running iOS 7.1.2, so that may be the problem, because it's always worked fine before, even with a messed up cable I used to have… Please help!

EDIT: It also may be the newest iTunes as well, because I believe I have synced my iPhone to computer with iOS 7.1.2 installed on it…

Can't use data when talking on Iphone 5s?

I was on the phone with someone else who has an iPhone and they said that their data doesn't turn off when they're on the phone. Is there a way for me to change it to where I can use data when talking on the phone? I checked the settings and couldn't find anything. Thanks!

Added (1). If that's the case then why would the data stop? I don't see the purpose it serves.

Bell iPhone 5s on virgin mobile?

I want to buy a bell iPhone without unlocking it, will it work on virgin mobile. I did this with my 4s but I'm not sure of you can still do this anymore

IPhone 5 not turning on, should I be worried? (new charger)?

The charger for my IPhone broke recently and I purchased a new one, which is a lightning braided one, after 3 days of not having any battery I've plugged in the new adapter and it's taking a while to turn on. Is this normal? I'm a new IPhone user and quite worried.

Dropped my iPhone in the bathtub?

Okay, so I dropped my iPhone in the bathtub for like literally a split second, so I used the rice method to save it, but I have a question. You're supposed to leave it in the rice for 24 hours, but I only left it in there for like 14 hours. It seems to work perfectly fine, but I'm kind of worried.

Added (1). I like dropped it in the bathtub upside down so only the top (covered by a case) was dipped in the water, but then it sunk in for like a split second, so the bottom with the charger part and speakers got wet too.