My music
So on my phone In my music I have an album that only shows 4 songs.. on iTunes it shows I have purchased the whole album but I can not download or listen to it.
iPhone 6s, iOS 11
User profile for user:
MoonJ.
User level:
Community Specialist
Greetings Pservin,
Thank you for using Apple Support Communities. It seems like you purchased an album, and only a few of the songs show as purchased. See if you can download the album from the purchase history.
"The music appears in your library in the Apple Music app. To download music so that you can listen to it offline, tap the download button 
."
Add and download music from Apple Music or buy music from the iTunes Store
Redownload apps, music, movies, TV shows, and books
Please don't hesitate to let us know if the steps resolved your issue or if you need additional assistance.
Take care.