I have created two new post-apocalyptic songs, and made music videos for them. You can watch them both below.
The first song, "Sailing to Tomorrow", is about a bug-out after some disaster. In the music video, there's a short news clip about zombies, but in the song itself the scenario is nondescript.
The second song is "Sail Away (Zombies Can't Swim)", and is specifically about a zombie apocalypse. Personally, I think zombies are stupid, but I know they are a popular topic.