iPhone music syncing issues

two issues:
1) few upload albums on computer aren't syncing iphone
2) few purchases songs on iphone aren't syncing computer

i've selected "sync songs", , haven't selected "sync ticked songs", , formats should fine (unless itunes doesn't support songs bought off itunes store!).

no idea issue syncing has been flawless since got (over month ago). advice?

 

wow ok, it's screwed up. have 4 songs on iphone, 50 gb of audio. time restore...

 

Forums iPhone, iPad, and iPod Touch iPhone iPhone Tips, Help and Troubleshooting

• iPhone
• Mac OS & System Software
• iPad
• Apple Watch
• Notebooks
• iTunes
• Apple ID
• iCloud
• Desktop Computers
• Apple Music
• Professional Applications
• iPod
• iWork
• Apple TV
• iLife
• Wireless