No need to proof text. We know the prophet was a man of war - and so shall his followers be. But the dead will say, "Father forgive them for they know not what they do".
You want him to fast without food or water for 40 days also, then raise the dead?
As a human you either do something to gain pleasure (joy) or avoid pain. So, choose you poison.
The easiest way to disprove detractors is just to post your music.
But in music, just like in sport, only the top 1% (I would say) can make a living of what they do.
Many musicians, especially singers, think they are good enough when they are not. Just look at Idols and the long queues of...