Why my music app only shows two tabs library and search?

Make sure your subscription is still active

view, change, or cancel your subscriptions

then follow these steps:

in settings- iTunes App Store - your name - sign out- then sign back 

n your iPhone, iPad, or iPod touch:

1. 1. Go to Settings > Music, then tap iCloud Music Library to turn it off.
   2. Close Settings.
   3. Go to Settings > Music, then tap iCloud Music Library to turn it on.
   4. Turn on “Show Apple Music”

Did you check your subscription? It should be there in the music settings if your Apple Music subscription is still valid, (not expired or cancelled)

Before you can turn on iCloud Music Library, make sure that you're signed in to all of your devices with the Apple ID that you use with Apple Music

Turn on iCloud Music Library with Apple Music

https://support.apple.com/en-ca/HT204926

A few more things you can try:

If the Music App isn’t responding 

• Close the music app
• in Settings- General- Reset - Reset Network Settings
• force restart your phone (until the Apple logo appears) or you can go to settings- general- shutdown 

How to force an app to close on your iPhone, iPad, or iPod touch:

https://support.apple.com/en-ca/HT201330

Force restart iPhone:

https://support.apple.com/en-ca/guide/iphone/iph8903c3ee6/ios

If you can’t see any subscriptions, you don’t have one.

If you feel that you do and paid, then try this link. It should show up in the report a problem page to report it.

Or contact support.

 visit reportaproblem.apple.com

1. Enter the Apple ID and password that you used to buy the item, then choose Sign In.
2. Choose Report a Problem next to the item that you need help with.

Contact support 

https://getsupport.apple.com/

Here’s the instructions for viewing subscriptions

are you saying scrolling down to subscriptions, there is no subscription list there to see? The part in bold ?

View, change, or cancel your subscriptions - Apple Support

you can do this on your phone in settings or as instructed in the above link 

Go to Settings > [your name] > iTunes & App Store.

Tap your Apple ID at the top of the screen, then tap View Apple ID. You might need to sign in with your Apple ID.

Scroll to Subscriptions, then tap it.

Tap the subscription that you want to manage. ...

Use the options to manage your subscription.