Passport
You should be able to by it anywhere. I don't think that there is a problem traveling with music you bought.
No. They only need a passport when they leave the US.
Yes, a passport is required to travel outside the United States.
Just make sure you have Internet, and just keep using it.
everyone flying into the US needs a passport
He will need a US Passport and a notarized permit allowing him to travel if one parent is not going with him.
Many health insurance plans do not provide coverage outside of the United States; if they do, it may not be a full coverage. Also, specialty medical insurance for traveling abroad can cover situations that your medical insurance will not, such as medical evacuation.
You are able to. I was a permanent resident with a green card( actually pink) and i went to Mexico and Canada with it.
It depends on the time period you are planning outside US. If its within a year using green card itself you can reenter US. In case you are planning to stay outside US for more than a year but less than 2 years of time a reentry permit is required to return to US.
When traveling from one country to another, it is always required that you have your passport with you. This is done to ensure your safety and the safety of others.
It depends on whether you are traveling by plane or by car. If traveling by airplane, all US citizens are required to show a valid US passport. For more information, check the links below (Western Hemisphere Travel Initiative and US Customs sites) yes
If traveling East from the US it would be the Atlantic. If traveling west from the US it would be the Pacific.