Try adding all of your music into a new playlist folder, unsync and then sync all of your music again.
Let me know if it then appears on the phone.
Hi there and welcome
First, is the music still on your computer within itunes?
Or ts also missing there?
Please let me know
ok, if you connect the phone Bob then drag the music from the computer to the phone it should then add it. Or even right click and send the music to the phone
What happens when you do this?
I can see you are a first time user to the site. What we do here is either a question and answer type of conversation or remote support where I would actually connect to the computer and have a look and attempt to fix the problem for you.
Remote support can save a lot of time if you are not comfortable performing repairs yourself. Sometimes even with instructions you can make a mistake and make things worse.
I will send an offer through for remote support and should you accept I will connect and see what is going on and fix the issue. Otherwise we can continue to talk like this but I will need to ask a number of other questions and try and walk you through some steps.
Both options are 100% guaranteed by the way. Remote is just quicker and avoids the risk of you making a mistake and doing something wrong.
If you want remote click get extra help. If not simply reply to me.
no problem Bob, though what was the issue you encountered when trying to drag the music as this should have worked.