《21 gun》的詞曲作者是Columbus, OH的Eric Martin和Mark Hoppus。以下是《21 gun》的部分歌詞：
I'm sorry, I ain't sorry
我並不後悔
'Cause I ain't changed
因為我從不會改變
And I ain't sorry
我不會感到羞愧
For what I am now
我已經變得不一樣了
Now the day is done
現在白天結束了
But the memories remain
但記憶還在
Just one in a million
只是個萬里挑一的人
You came my way and stayed
你走上我的路並且留下
You knew exactly
你知道嗎
What I needed from the start
一開始我到底需要什麼
But here we are right here
但是現在我們就在這裡
'Til the last goodbye, alright?
直到最後一次再見，好吧？
It was your call when it was stormy
暴風雨的時候你告訴我一切由你做主
It was your call, yeah, it was your call
你的決定，你的決定，你讓我選擇
It was your game, yeah, you could play it all night long
你的遊戲，你的遊戲，你可以一直玩下去，徹夜不眠
It was your song, yeah, you sang it for me now and then
你的歌曲，你的歌曲，你偶爾為我唱起這首歌
And now you're gone, yeah, you're gone now
現在你走了，你已經離開了我
But I'll always remember you and the 21 gun salute you gave me when you left
但我會一直記住你和你離開時給我帶來的21響禮炮的敬禮
Now I'm on my way
現在我繼續前行
And I ain't looking back no more
不再回頭看過去
And I ain't sorry for a single tear you cry tonight or the pain you feel inside, yeah yeah yeah yeah
對於你今晚流下的每一滴眼淚，對於你內心深處的痛苦，我不會感到後悔和愧疚，我會一直向前走
'Cause it's all good now, yeah, it's all good now, yeah yeah yeah yeah
因為現在一切都好，一切都很好，我會一直向前走
Yeah, it's all good now, yeah, it's all good now, yeah yeah yeah yeah
現在一切都好，一切都很好，我會一直向前走
Yeah, I ain't sorry for a single tear you cry tonight or the pain you feel inside, alright?
對於你今晚流下的每一滴眼淚，對於你內心深處的痛苦，我不會感到後悔和愧疚，好吧？
以上是部分歌詞，如需全部歌詞請在網絡上搜尋。