Itunes Radio was in my music app but now isn't?

I have an iPhone 4S.
I live in Vermont, US

I have iOS 7
I was using iTunes Radio this morning and I wanted to listen to it again. So about an hour ago I opened my music app expecting the radio tab to be there but it wasn't. So I spent a good hour trying to get it back. I tried rebooting my phone, and shutting off my phone and turning it back on numerous times.

I really want it,
What should I do?

Can you disble iPhone 5s fingerprint unlcock?

Is there a way to disable the fingerprint unlock and use a numeric unlock instead. The reason i'm asking is because i want to buy a waterproof case for my 5s but it will block the fingerprint unlock button so i want to know if there's a different way to unlock the 5s.

Any help is greatly appreciated

Buying a iPhone straight from apple without service?

Can i buy a iphone 5s from apple (full price) without getting cellular service and just use it like a iPod with Wi-Fi and possibly turn it on in the future?

Added (1). Turn it on = register it under a cellular service

Do they expect me to connect it to a cellular service if i buy straight from them?

Why am I only receiving texts when connected to Wi-Fi?

I have an iphone 4, and I can only receive messages when connected to Wi-Fi! I can send them, but i only receive them when i get home or when i have Wi-Fi. Also, i can't send texts to my friend's ipod without Wi-Fi. Why is this happening & should I go to the verison store? (its not the cell service thats the problem because i can get calls)