How to put the music from my itues library on my laptop onto my iPhone?

I have the list of music on my laptop but i don't know how to put the music onto my iPhone (I'm using macbook air)

Download iTunes, connect your iPhone the music may sync into iTunes from your library and you can sync it to your iPhone from that. ALWAYS through iTunes, never anything else. If they don't automatically sync to iTunes from your library you may have to manually drag and drop them all at once into the iTunes library.

Lisa,
here is what we need to know about a computer question:
- Which OS version (Windows XP, Vista, 7, 8, Mac OS 9, 10.4, 10.9?)
- What brand, model, and age of computer?

This question could possibly be very easy. Try this…
- Connect the phone to USB.
- Wait five seconds. ITunes should open. If nit, open iTunes.
- Select (means "one-click") the iPhone icon at the left column of iTunes.
- Read the options for the categories (Apps, Music, etc.) and change the options to what you like.
- Click the "Sync" button.

NOTE:
Sync is a 100% matching process. What you have selected in iTunes is copied to the iPhone. Anything else on the iPhone IS ERASED.

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