A limbless veteran seeks euthanasia
A sad and lonely person is where two edges meet all the time, though I'm not sure why
An ensemble of the musically inclined escaping towards freedom
What phrase/idiom does this represent?
One Man Band
I have a Harmonica you can borrow.
The three lines correspond to three songs.
One - Metallica
The clue refers to the book "Johnny Got His Gun" and this song is about it. The music video includes footage from the movie.
Question asker's intended answer:
Man on the Corner by Phil Collins
This is about a man on the corner who is there everyday but the singer isn't sure why
Original Answerer's answer (before edit to remove ambiguity)
Man Who Can't Be Moved - The Script
This song is about a man who's girlfriend left him so he's camped on a corner and telling people to tell her where to find him.
Band on the Run - Paul McCartney and Wings
This one was pretty literal
Take the first words of the song titles and you have your answer.
PS: Bob Dylan is great.