Note: This is based off Batman brave and bold, mayhem of the muisc meister. I added heroes like Batman of course but I also added heroes like Booster Gold, Speedy, Firestorm  Green lanter, Ted Kord and earth 20 Wally West Flash.
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On top of a building with a satlight dish, Killer Frost, Trickster and Red Hood were sneaking onto the building. However a few super friends jump down in front of them. Theses heroes were known as Green lanter, Firestorm and The Flash aka Wally west.

Killer frost smirks.

"Well isn't it my two favorite people, Flash and Stormy" Killer frost  muses.

"It's over Killer frost" Firestorm said.

"Really because I think it's just beging" Trickster said.

Red hood grabs his guns.

"Let's do this !" Flash said as he speeds at Trickster

Green lanter dodges the gun fire from Red hood while Firestorm fights Killer frost.Flash speeds around Trickster who tries to hit him with a punching glove.

Suddenly Flash is hit with a blast of sound, making him fall off the building.

"No ! Flash !" Firestorm shouts.

In a moment of weakness, Killer frost flings Firestorm into the wall and freezes him soild there. Green lanter tries to help Firestorm but Red hood shoots him in the leg. Green lanter falls to the floor and Red hood flings a net over him. Green lanter struggles to get free. Killer frost smirks as she grabs Green lanter and freezes his wrists to the floor of the roof.

Sonic hits the three villians as a medley is heard. They looked to be in trans. Green lanter notices this as he watches the villians dance and sing.

(Imagine them singing this)

There appears the one and only music meister who stands there with a big triumph smile on his face, happy that he made a big entrance. He walks over to the controlled super villains.

"You see I too have plan for this satlight, now get to work" Music meister said.

The villians load the satlight onto Music meister helicopter. From the shadows Jade Nguyen aka Earth 20 Catwoman watches the scene unfold. She could help but she didn't want to. She had her own problems to deal with.   But she wasn't the only one watching Batman was watching the control villians.

"Instering" Batman said, he wanted to save Green lanter and Firestorm.

Flash zooms up next to Batman. He costume looked ruined.

"I told you to stay back at the hall" Batman said not even looking at Flash.

"Not now, grayson" Flash said out breath. "Green lanter always invites me to save the world"

"I wish he wouldn't" Batman coldly said.

Flash frowns knowing how overprotective Barman is.

"We have to save Firestorm and Green lanter" Flash said.

"I'll rescue them" Batman said. "You stay here"

Batman graples down there.

"meister, your going down" Batman said to meister.

"Batman of course you would be here" Muisc meister said. "Killer frost show Batman how well you dance"

Killer frost attacks Batman but he flings Killer frost into the helicopter.

"I'll see you soon Batman !" Muisc meister shouts as he escapes into the helicopter with Killer frost and Red hood while Trickster gets captured by Batman.

Batman frees Green lanter from the net then defrost Firestorm.

"They got away!" Green lanter shouts.

"Will get them soon" Batman said.

Firestorm gets up, still a little weak.

"Not alone we have to deal with the legion of doom but now the music meister"

"There has to be better secerty at Arkum" Flash said.

"I thought he was locked up in iron heights ?" Green lanter said confused.

"I'll deal with the music meister, the rest of you take Trickster back to iron heights" Batman said.

Flash gives him a sluate.

"Good luck bats" Flash said.

Batman graples away leaving the three heroes alone with Trickster.  Firestorm grabs Trickster and flies off.

"See you back at the hall" Firestorm shouts.

"Green lanter turns to Flash.

"We're not going back to the hall are we ?" Green lanter asks.

"Nope, We're gonna catch the music meister" Flash grins.

"Batman won't like that" 

"I have to do my job and stop the criminals, Kyle" Flash admits.

"Alright I'm with you" Green lanter said.

Flash grins.

"Do you know anyone that would help us behind Batman's back" Green lanter asks.

"Well there's Booster Gold" Flash points out.

"Pass !"  Green lanter said quickly.

"Okay there one other person we can call" Flash said.

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Stargirl  holds her flip phone in her hand as she talks to green lanter.

"I would want to help but I'm grounded" Stargirl said.

Then she hangs up the phone.

Flash looks at green lanter.

"Know anyone else ?" Green lanter asks.

"Yeah I do, but it might be a hit or miss" Flash said.