Flights to the UK are almost $1,000, it would be crazy expensive! But if I had the money too I would definitely do it in a heartbeat. I've wanted to go there for the longest time.
I plan on spending the day in New York since I have family that live there. Will have to see what my schedule is like for the next day, but this sounds like an awesome idea!
Yes, you buy the song on Amazon and then it gets saved on your Cloud Player, which is on their website. You can then download the MP3 to your computer from there.
Amazon MP3 will have it
http://www.amazon.com/dp/B00B2H0J1U/ref=as_li_ss_til?tag=absolutepunk-20&camp=0&creative=0&linkCode=as4&creativeASIN=B00B2H0J1U&adid=095F8ZNE5G47VS0R2X57