Have you ever met someone who loves what they do so much that they'll skip sleep, food, love and safety to pursue it? What happens if that kind of person encounters a different dimension, yet holds on to their love of music, and specifically of rock drumming.
When the world ended at the end of 2057, Kevin Snackenbridge slept through it. He'd been drumming all night.

tl;dr
-- System eats world -- Monsters and magic --
-- LitRpg -- Practice, not levels and stats --
-- MC Bard -- support class -- low power --
-- MC chooses music over survival skills --
tl;dr

Kevin trips into the Internal Strength Dimension where Thaumaturgy is king. With the help of a talking plant and several vicious monkeys he learns that the rule is "Change or die." Kevin changes, but remains firmly a drummer/Bard in this high fantasy setting. This is Kevin's adventure, and that of the friends he meets.

Kevin has the soul of a real musician. He loves music, specifically rhythm and drumming, and would give his left nut if it would help him drum better. He's a rock drummer, and his language is that of a rock drummer: slanged, duded, and frequently laced with profanity. He focuses on music, and makes decisions that even the author doesn't approve of. However, that means all his decisions are Kevin's decisions, not those of a system-optimizing power-gamer. 

There's points (All of Arc 2) where he wanders aimlessly. Goals seem foreign to him at points. What would you do if you were a musician, and the world fell apart and you no longer had an audience or band-mates. You'd be kinda lost. Kevin is. Arc 2 is a lot of Kevin not knowing what to do, going with the flow, and not being articulate enough to know that he doesn't know what to do.

1. Chapters start short near 500 words, and grow to 12-1500 by ch.100

2. Chapters daily