I am currently making a song that is called "Keep on Walking". The song only have drums, piano and vocals yet. It would be extremely nice if someone is interested in helping out with some guitar or bass.
The song has a very simple structure. Its verse/chorus/altered verse/chorus/chorus/chorus...
I find the sound from these programs quite substandard to the real thing. In my case I have use them because I can not afford the gear needed for recording. It is a good alternative if you are on a small budget. :)
That really depends. I used to write melody first when I was younger. The problem I got then was to decide what the song was about. These days I try to find a title first, and try to build around it. I find it easier with lyrics this way. You could also begin with a riff and build the song from...
Freddie Mercury had the same thing. He suffered a bit live because he could not do the top notes. But he never dared to have surgery. That has probably changed these days. I guess there are better methods.