Lyric discussion by PortraitOfAngels 

Cover art for Sounds and Silence lyrics by A Thorn for Every Heart

No its not about a suicide at all. That's very clear. His friend was obviously in a car accident and died in his arms at the hospital.

How in the world have you come up with that conclusion?

"He fell and he hit the ground / Just please forgive me"

From the first quoted line alone, we can tell that he fell from some sort of height (aka suicidal jump from a ledge, bridge, or building). Just please forgive me seems that the narrator or singer feels as if he wasn't there to help the person in the song and that maybe the said person had come to the narrator seeking help in the past. I'm terribly sorry if you feel like i'm slapping your opinion down to...