1. Connect your phone to your computer using a USB cable.
2. Open iTunes on your computer.
3. In iTunes, select the music you want to transfer to your phone.
4. Click on the "Device" icon in the top left corner of iTunes.
5. Select your phone from the list of devices that appears.
6. Click on the "Sync" button in the bottom right corner of iTunes.
7. Wait for the syncing process to complete.
Once the syncing process is complete, the songs you selected will be transferred to your phone. You can then play the songs on your phone using the music player app.