I Suddenly Wake Up in Phineas and Ferb

Fate takes an unexpected twist when an unfortunate teenager, a rising rock star named Coltrane, passes away due to illness. However, his journey doesn't end there. He finds himself thrust into the world of Phineas and Ferb, assuming the role of a side character with the same name. As his rock star talents intersect with the show's zany and wacky universe.
...
"So, you are a platypuss agent with a cool-ass fedora assigned to Dr. D?"
"Ghrrrrrrrrrrrh,"
"Oh no, I am just here for internship for Dr. D actually, How did I get internship? Well, I tried to impress this girl and somehow I ended up here, life just like to suprise you my dude,"
"Ghrrrrrrrrrrrh,"
"Ameen to that Brotha"
...
Just a fecking story in my head that I need to get out and I am not a professional writer so this story is written with the help with grammarly since english is like my third languange and my spotify playlist that keep show me this scene again and again, sorry if the prolog is too long, I blamed my crazy head. Also, the songs in this fanfic are probably gonna be mixed with my little originals song's lyrics, Originaly I wanted to do original song's lyrics but I was too lazy to expand my songs libraries and actually making them since this fic just to make my dreams having at night to stop and to have a dreamless sleep for once. So I just pick songs whatever indie band that I like right now or throw some mainstream one aswell.