"Twilight! Twilight!" Rainbow Dash called through the door of Twilight's home as she knocked excitedly. She'd ran here as fast as she could. She couldn't wait to tell her the news. "Twilight! You'll never guess what happened today! Zecora came to town, and I was the first pony to see her at the edge of the Everfree Forest, and as soon as she saw me, she came right up to me and gave me a kiss!" Dash was giddy with excitement. Her first kiss! She wanted to tell all her friends about it. "Twilight! Are you in there?"

Twilight Sparkle came to the door to see what all the noise was about. She opened the door and saw Rainbow Dash. Before Dash could even say anything, Twilight slammed the door shut.

"Well that was rude!" Dash said to herself. "Hey Twilight! What gives?" she asked. She heard nothing from inside. Dash tried to open the door. She'd only gotten it open an inch before the door became aglow with a purple aura, pushing it closed with a strong shove. Dash tried the knob again only to find that it had now been locked. Rainbow Dash walked over to the window to see what was up, but Twilight had already drawn the curtains.

"Hmm. I'll go get Pinkie Pie," Dash decided. "Whatever is wrong with Twilight, she'll be able to help improve her mood."

Rainbow Dash returned a short time later. This time with Pinkie Pie along side her. "She's being weird," Dash said to Pinkie. "She hasn't left her house all day, and when I came to see her, she slammed the door in my face."

"That doesn't sound like Twilight," Pinkie said. "Maybe she's just grumpy. I'll cheer her up. I love to see my friends smile." She got to Twilight's door and tried the knob. Just as Rainbow Dash had told her, the door was still locked. "Twilight are you in there?" she called through the door. There was no answer. But she thought she saw some movement through the blinds of the window. She walked over and tried to look though. She still couldn't see anything. She knocked on the window. "Twilight! Are you being grumpy? It's okay if you are, but you should apologize to Rainbow Dash for slamming the door in her face. She's your friend and that wasn't very nice!"

She knocked again, harder. Perhaps a little too hard. Her hoof broke the glass pane as it shattered and fell to the ground. "Oops! Sorry!" Pinkie said. But not one to waste an opportunity, she reached through to try to push the blinds aside. But before she could see anything, a table came flying at her.

She stumbled backwards away from the window sill as the blinds were pressed against the frame of the window by the tabletop. A moment later, she heard a hammering from the inside. Nails jutted out from the wall around the window frame, locking the table in place. When the noise stopped, Pinkie tried beating against the table. But it didn't budge.

"She must really hate a draft," Dash said behind Pinkie. Pinkie turned to her cyan friend.

"I can't deal with Twilight when she's using her magic like this," she said.

"What we need is another unicorn who can understand her freaky magic fits," Dash suggested.

"I know what to do!" Pinkie said. "We'll go get Rarity!"

"Now really you two, I think you're just over-reacting," Rarity said as she escorted her friends back to Twilight's house. "It can't possibly be as bad as you're saying it is." When the trio arrived outside of her home, the other ground-floor window had been boarded up from the inside too. "Oh. It's worse." Rarity went up to the door and tried to reason with her lavender friend, presumably somewhere inside.

"Twilight dear, are you in there?" Rarity asked in a polite tone. "Twilight, it's us, your friends. Whatever is wrong dear? You can tell us." There was no response. Rarity turned to Rainbow Dash. "Rainbow, darling, tell me again exactly what happened." Dash ran her hoof through her mane, thinking carefully about the details of what had happened.

"Well, I came over here after seeing Zecora," Dash explained, "and I knocked on the door. And when she opened it, she slammed it in my face."

"And then?" Rarity asked.

"And then I went to get Pinkie Pie to help. And then we came to get you." Dash said. Rarity thought for a moment.

"Rainbow dear, you were the last pony to see Twilight. How did she look? Was she alright? Was she sick, or hurt?" Rarity asked.

"She looked pretty upset when I saw her," Dash said.

"Was she upset with you?" Rarity asked. "Rainbow Dash, did you prank our friend Twilight?"

"NO!" Dash said defensively. "I mean, not recently," she amended. "And definitely nothing bad enough to cause her to act like this."

"Hmm. Well, just the same, why don't you go over there, behind that building, and we'll see it that's what it is," Rarity said. Dash gave her a bit of a defensive glare. But she was willing to try anything to try to get Twilight to open the door and talk to them. She trotted away, behind a nearby house, out of sight of the tree.

"Twilight dear!" Rarity said again, knocking on the door. "Rainbow Dash is gone. She left. It's just me and Pinkie Pie. You can talk to us now. Tell us what's wrong. Did Dashie do something to upset you?" She listened intently for a response. Nothing. She tried turning the knob.

"Don't bother." Pinkie said. "She locked it." Rarity pulled a hairpin from her mane.

"A lady is always prepared." She said with a smirk. She began to pick the lock. "I don't like breaking into her home like this," she said. "I respect Twilight's privacy. And I promise that we'll give her just as much time as she needs once we find out what's wrong." Pinkie nodded in agreement. After a moment, the lock popped undone. Rarity pushed on the door. But it didn't budge. "I think something is blocking it from the inside." She said to Pinkie. She waved to Rainbow Dash, beckoning her to rejoin them.

"She's not upset with you specifically," Rarity said to Dash. "But I still don't know what's wrong with her."

"Well, we're obviously not going to be able to get in. We'll have to try to get her to come out." Dash suggested.

"I know! We'll throw a party!" Pinkie Pie said.

"That's your answer for everything," Dash huffed.

"Yeah, but hear me out!" Pinkie said. "I'll go around town, and get everypony I can for a block party! We'll have it right here outside her house! And we'll dance and sing! She'll want to come out and join the party!"

"Or tell us all to leave her in peace," Rarity said.

"Rarity's right," Dash said. "Twilight hates noise. She'll come out and tell us all to be quiet, and then we can find out what's wrong. Either way, it should work!"

"Okay! I'll go get everypony I can!" Pinkie said, taking off into town.

Before long, the grounds around the Golden Oak Library were filled with citizens of Ponyville, eager to participate in the impromptu block party hosted by Ponyville's premiere party pony. As the sun set, the party was in full swing. Almost everypony in town was in attendance. Rainbow Dash had even talked Fluttershy into going. The shy pegasus usually wasn't one for parties, but she wanted to help do what she could for her friend Twilight.

Rarity returned from her trip to Sweet Apple Acres. Applejack strode alongside her, happy to join in on the shindig. Rarity had explained the situation on the way back. Applejack walked up to the door and shouted over the noise of the crowd.

"Hey sugar cube, are you gonna join the party or what?" Applejack asked. "Yer friends are all here. And we're just dying for the guest of honor to join. Oh, speaking of which-"

"Twilight, I got your letter," Princess Celestia said, having waded her way through the crowd. "Your letter was asking for help, so I came as fast as I could. As soon as I arrived in Ponyville, your friends all came and gave me a big hug. They're so worried about you. They wanted me to come see what was wrong." Still, no response came from inside.

"This calls for extreme measures. Pinkie Pie style!" Pinkie said. Everypony watched as she climbed up the side of Twilight's house and kicked her second-floor window in. She started to climb inside when a blast of purple magic shot out at her, hitting her square in the chest, and sending her tumbling to the ground in a crumpled heap.

"Oh my stars!" Rarity cried out in horror.

"That tears it!" Applejack yelled. "Outta my way!" She turned her back to the door and reared up, ready to buck it harder than any tree she'd ever bucked before. With a solid kick, The door blew into splinters as everypony rushed inside to confront Twilight. She had a lot to answer for.

Twilight ran up the stairs as they chased after her. The purple unicorn looked down at the ponies running up towards her. She'd heard them outside all day and into the night, at the door and windows, trying to get in. There were too many now for her to fight them all. She watched as the ponies that were once her friends came after her. First it was Rainbow Dash, then Pinkie, then everypony. Even Princess Celestia was after her now.

.

A single tear rolled down her cheek as the horde of zombie ponies poured into her home to take her too.

.

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Author's Notes:

"Hey Twilight?" Zombie Pinkie asked, with a massive bit of her rotted torso missing.
"What?" Zombie Twilight asked begrudgingly, her body still warm with fresh bite marks.
"Let's go see if the ponies in Canterlot want to join the party!"

A short story inspired by this song.