Adding music to iPhone from iTunes 11?

On the old itunes i used to just drag my music files to my phone.a minute or two and its done!
Now i've been trying to drag music and trying to find a way to put music on my phone for two f*** nights now! They seriously made it more difficult to simply add music to a phone… Da faq apple.

can someone please help me before i smash my phone to pieces.

Plug your phone in and open up iTunes. Click on your phone which is located at the top right. And it will bring you to page about your phone. Then at the top click on the tab "music" then tick the box sync music and then tick the songs or artist you want on your phone. Then hit sync or apply at the bottom and the music will start syncing to you iPhone.