Hello! So, i've had this idea...that I hope you all will like. Basically, it's Frisk singing his way through the Underground. Won't be THAT plot centric, this is just for fun times. Give it a chance, and enjoy! I do not own anything, even the soundtrack.

"Howdy! I'm Flowey!"= Normal conversation

'Oh boy, this is gonna hurt'= Thoughts

"Stronger than you!" Song Lyrics

This song belongs to the talented TRYHARDNINJA. Go look him up, along with his other works!

Undertale: The Sound of Music

Chapter One: I Am Flowey

The Underground. The place where monsters dwell, long forgotten to exist by the humans living on the surface, only being remembered in fairy tales and myths. Seven human souls were used to create the barrier that separates the monsters from the humans, and seven human souls are commonly known to be the only way to break said barrier.

For years, human children have been falling down the rabbit hole into the Ruins of , eight of them to be precise. The first child, Chara, was adopted by the Royal family. He soon became a megalomaniac, tried to kill the king who adopted him, tried to manipulate his brother-in-all-but-blood into killing the humans in his village, and ended up dying. His spirit latched onto the eighth human, whom we will get to in a moment. The next six children had vastly different personalities. A girl who fancied herself a rouge, a manly boy, an aspiring ballerina, a bookworm, a chef, and a young cowboy all fell down, one after the other. They all died, their souls collected, their items scattered throughout the Underground and their names forgotten.

And so the eighth human fell down, in his blue and purple striped sweater, medium-length straight brown hair, and somewhat blank expression that made humans and monsters alike question what gender he was supposed to belong to. Frisk journeyed through the Underground, making friends and enemies along the way, and discovered the power to RESET time. Eager for the perfect happy ending, he reset and reset, looking for the route that made everyone happy. This brought him into conflict with the Chara, whose spirit latched on to the biggest source of Determination there is in the Underground.

Reset after reset, and Frisk had not found the perfect ending. Frankly, it was beginning to annoy him. He had never expected this to be easy, but dear lord, finding the perfect happy ending for Asriel/Flowey was incredibly hard! No matter how many times he'd fight him, and forgive him, Asriel would always head to the Ruins and resign himself to his fate. So Frisk tried harder, trying out new things each reset. Most of them were either enlightening or quite funny, to Sans' amusement and Flowey's annoyance.

Speaking of the yellow flower, he was currently giving Frisk his best deadpan stare yet.

"Frisk….what are you doing?"

The child in question was twirling a microphone and grinning. Flowey had no idea where Frisk had even FOUND a microphone at the start of the Ruins. It was a new timeline, the very beginning of Frisk's runs through the Underground. Flowey had been in the process of making his customary introduction when Frisk had pulled the microphone out of his inventory.

"Well…you know how I'm always up for trying new things, right?"

"Yeah…..wait…"

Flowey looked at the microphone again, then back at the grinning human.

"Are you seriously going to do, what I think you're going to do?"Flowey asked, clearly thinking all the resets might have gone to Frisk's brain a little.

"Aw come on Flowey! This idea's been tickling my train of thought ever since I first heard music playing during your introductions." Frisk answered cheerfully. It had been a bit weird a first, hearing music wherever he went in the Underground, and even during the fights. It grew on him though, to the point where he even started naming the different songs playing.

Megalovania will forever be his favorite song, even if it only appears during that timeline. Sans approved of his choice.

"Still…..I can't believe you intend to SING your way through the Underground! That's almost as crazy as what the fourth human did, only she danced."

"Hey, if singing will help you get your happy ending, then so be it Asriel." Frisk looked serious for a moment, before cheering up. "Besides, it'll be fun!"

Flowey just grumbled to himself, looking away. He had long since resigned himself to his fate, and constantly urged Frisk to just forget about him at the end of each timeline. Of course, that idiot's main quality was Determination, so there was no way Frisk was going to abandon his best friend THAT easily. Despite his exasperation, it felt…nice for Flowey, knowing someone still cared about him. He was brought out of his thoughts by a loud cough from Frisk.

"So, I was thinking of starting off this timeline right away….and you'll be happy to know that I've made a song for each and everyone one of my friends!"

"Tch. Whatever….."

"Including you~."

"…..wait WHAT?!" Flowey checked his non-existent ears, trying to see if he heard correctly. Nope, he heard correctly. That idiot was really going to sing about him. Trying to ignore his flattered feelings, he glared at Frisk.

"Whatever gave you such a stupid idea like that? I'm a homicidal flower; I don't do songs about myself!"

Frisk casually ignored Flowey's words. "Ready! Here we go!"

His SOUL appeared in front of him, as such per any encounter. Except instead of any of the usual songs, an unfamiliar tune started playing. Flowey stared blankly at Frisk, as the human child began to sing.

"Howdy, how's it going? I'm Flowey! You seem nice…"

'Nonononononono….this can't be happening!' Flowey thought to himself, feeling a bit panicky. He didn't know how to react to this…it's never been done before. Then again, Frisk has been doing a lot of new things lately each reset. But none of them sounded as stupid as this.

"That's quite a fall that you just took; I hope that you're alright!"

As much as he wanted to leave, he felt a pull, a tug, something preventing him from leaving. With a sigh, he resolved to at least let Frisk finish the song before he left. And quickly too; he didn't like his moth—Toriel throwing fireballs at him.

"You must have heard some stories…..but down here ain't so bad!

'Cause no place could be that scary when it's got such cute plants!"

The prince-turned-flower felt himself blush a little. To be honest, the tune was quite catchy. And Frisk had a lovely singing voice.

Not that he would ever tell him that.

"You see…I know, that you have a nice soul.

And so I feel like, it's my responsibility….to teach you how things work down here.

Here we go!"

The music became livelier, Flowey noticed.

"The Underground is so much fun, 'cause LOVE is never far!

Just float and catch bright friendliness pellets with your heart!

F-L-O-W-E-Y, is with you till the end…

'Cause golly, I am Flowey! And I'm your new best friend!"

Toriel was walking to the entrance of the Ruins, intent on performing her daily check. If one were to ask if it got tiring, always checking for human children, she would reply:

"Perhaps. But it would be worth it, a little time and energy spent to adopting any human child that falls down here and protecting them from the rest of the Underground."

She frowned as she remembered all the children that had fallen only to leave and meet their end; their soul collected by Asgore. She would plead and beg for them to stay; to live out their lives with her as their mother. But they knew, and she knew, that the Underground is no place for a human child. So the children left, Toriel watching them go with a heavy heart. They left, one after the other, and they were killed. It was a vicious cycle.

She blinked as she heard cheerful music playing in the room in front of the entrance. Music, a nagging voice told her inside her head, that supposedly wasn't supposed to be the one playing at this point in time. She quickly ducked behind a pillar, peeking out to find…

"Things you are afraid of, they won't bother you here!

You're new so you must be confused, but all you'll find is cheer."

…..a human child singing to a gold flower monster? What? Toriel was very confused. She almost wanted to carry the child away from the flower, but the monster looked pacified at the moment, swaying to the music. So she stayed behind the pillar and listened as well.

"Since we are so close now…..I'll tell you all I know.

Your soul wants LOVE, it's just like a flower

That needs water to grow!"

She giggled quietly. The child was a great singer, not to mention coming up with lyrics referring to the Underground. She reasoned that the flower monster must have told the human about the Underground beforehand. Speaking off said monster….it didn't look like anyone she had seen before…

"You see…I know, that you have a nice soul.

And because we're now besties,

I feel like I should show you the ropes!"

'Besties huh? Take that Undyne!' Flowey thought to himself, amused by the lyrics.

"Here we go!"

"The Underground is so much fun, 'cause LOVE is never far!"

'Oh dear…I hope the child is not referring to what I think he's referring to…' Toriel was worried. Didn't that flower monster tell him what LOVE really meant?

Oh Goat Mom, of course he didn't. It was a punny skeleton who did.

Just float and catch bright friendliness pellets with your heart!

F-L-O-W-E-Y, is with you till the end…

'Cause golly, I am Flowey! And I'm your new best friend!"

Both monsters calmly bobbed their heads to the music…..until a healthy dose of Rock and Roll blasted their eardrums. They blanched as Frisk suddenly started screaming into the mic, his voice taking on a dark tone.

"YOU IDIOT. IT'S KILL OR BE KILLED.

I WILL NOT REST TILL YOUR SOUL IS MINE!

I WILL BE KING, NO, I'LL BE A GOD!

NO ONE TO SAVE YOU…

SO DIE!"

His words echo throughout the room, the haunting, roaring music filling the air. Toriel looked shocked. While she didn't think the human meant his words, those particular lyrics send shivers down her spine. Still, she chalked this off to the monster in front of the human, already making plans to make sure the child stays away from that flower, who was clearly a bad influence.

Flowey on the other hand, glared at the cheeky human. While he knew this was a song about him, he couldn't believe Frisk even included that particular bit. Knowing the child's personality, the fact that he even sang those words surprised him. It seemed unbelievable, yet the proof was right in front of him. If Toriel ever heard that…...Flowey shivered. Hell hath no fury like a mother's wrath. As Flowey continued to glare at Frisk, his eyes narrowed at one tiny detail.

Were Frisk's eyes becoming red…..?

"SO DIE!"

Abruptly, the music stopped. It started playing its happier tune again.

"Oh gosh…that was certainly….unexpected.

Still BFFs though right?

Catch ya later!"

Frisk dropped the mic, a wide grin on his face, and the music ended.

"Well…..what did you think? Did you liiike it?" The pacifist child asked eagerly.

"Uhhhhh….well…..it was…"

Unfortunately for Frisk, he would have to wait for his answer as a fireball appeared out of nowhere and slammed into Flowey. He yelped and flew into a wall. "OW!"

Turning to his right, Frisk saw a VERY pissed off Toriel glaring in the direction Flowey went. He shivered; it was never fun being on the end of that glare. She started to speak.

"My my…..what a horrible creature, influencing darkness on such an innocent, talented youth." Frisk blushed at her words. "Do not be afraid, my child."

She smiled, turning to Frisk with a loving gaze. Fallen Down starts to play. "My name is Toriel, the caretaker of these ruins. I pass through here every day, to see if anyone has fallen down. And I'm glad to have found you so soon…who knows what that flower might have filled your head with."

He giggled, causing Toriel's smile to become even larger. Perhaps this time, the child will stay and not get killed like the others. She started moving, motioning Frisk to follow her. Frisk smiled, getting pumped for this new, and hopefully, final run through the Underground. The shadow of the Ruins…..the sound of music….it filled him with Determination.

SAVE

And that's Chapter One! I hope you readers enjoyed it. Please leave a review!

Oh, and feel free to leave song suggestions on what Frisk should sing next. I need a song for every boss monster, mini-boss monster and Alphys, maybe even for some events. However, please note that I'll probably write ONE song per monster, with certain exceptions. (*coughSanscough*)

Frisk: Yes! Please do! There are so many songs to choose from!

Indeed there is Frisk! Update schedule will vary, assuming I have the song needed for the next chapter.

Next time, Frisk will be tackling the Ruins, Napstablook, and later on Toriel. Ciao!