AN: This is based on Mark Ruffalo and Robert Downey Jr. singing part of "Hooked On A Feeling" in this video on Youtube. Add /watch?feature=player_embedded&v= ztNNO834258 without spaces to the website in order to find it. The singing is at the very end, about the last 20 seconds or so! I just randomly got this silly idea to write this as a drabble, but it looks like it might turn into a multi-chapter fic. Please tell me if you want me to continue and any suggestions you might have! :) Once again, I hope it isn't rubbish! ~Heather


Tony Stark's taste in music was largely classic rock. It was common for Pepper to hear AC/DC or Led Zeppelin (among others) blasting from the laboratory. There really was no better music in Tony's mind. The music nowadays just couldn't compare. However, the mind is a strange device with endless pathways. At the most random times, the brain conjures up an idea from years past, a random fact learned from a book, or a song that you never listen to.

Bruce and Tony worked together in Tony's lab in his Malibu mansion. After careful persuasion on Tony's part, Bruce had accepted Tony's offer to move in with him and stay in the United States. With the repair work on the Stark Towers in New York underway, Tony decided they should spend some time in Malibu. He also thought the slightly warmer weather and the smaller population might put Bruce more at ease.

They had developed a system in the lab that worked for both Tony and Bruce. Much to Bruce's dismay but eventual happiness, Tony purchased every piece of lab equipment Bruce could ever need for his research and then proceeded to invent new lab equipment specifically for Bruce. Although Bruce said it was all too much, Tony insisted. The inventor smiled goofily when he was graced with the resulting gleam of excitement in Bruce's eyes as he gazed at the equipment, a look that could only be understood by another scientist. Tony also built Bruce his own personal lab, but they found they enjoyed each other's company and there was enough room in Tony's lab. When working in a lab, there is a large amount of down time waiting for the data and some monotonous work. Tony had always put music on before Bruce moved in, so after asking Bruce about music, they decided to put together a playlist. Thankfully for Tony's sanity, Bruce listened to much of the same music as Tony and only added a few songs and artists to their lab playlist. JARVIS also used complicated algorithms to suggest songs that they both would like.

At times, the playlist would end, or one of them would pause the music when reaching a difficult part of an experiment, or, though they often talked over the music, sometimes Bruce or Tony would stop the music when they were having a longer conversation or one of their many theoretical discussions. It was at one of these times when the playlist ended and both scientists were too focused to notice that Tony's brain pulled up a song from his childhood. Absentmindedly, he began to hum the song. Bruce looked up from his spectrometer data, his glasses slipping down his nose. It took him a moment to recognize the song as "Hooked On A Feeling" by B.J. Thomas, and then he laughed.

"What?" Tony asked, turning towards Bruce.

"Did you know you were humming?" Bruce replied, still chuckling.

Tony looked startled, but then mischievous. "No, I didn't realize. Why, did you like it?" Tony waggled his eyebrows and began humming the beginning of the song.

To Tony and Bruce's surprise, Bruce began to hum along, then at a nod from Tony, they both belted,

"Everything's alright.

IIIIIIIIIIIIIIII'm..."

"Stuck on a feeling," Tony sang, while Bruce sang "Hooked on a feeling."

"Oh, no! You're right. It's hooked on a feeling, not stuck on a feeling. Wow, I haven't heard that song in a long time!" Tony said laughing and slightly embarrassed, while Bruce smiled at him.

JARVIS then spoke in an amused voice, "Would you like me to put that song on the lab playlist, sirs?"

"I think you must," said Bruce.

"Play it for us too, JARVIS!"

Pepper found them thirty minutes later with the song on repeat. She waited outside the glass doors, laughing at the spectacle and pulling out her phone to record the scene for private blackmail purposes before going back upstairs to work. Tony had lent Bruce one of his wrenches - they were using them as microphones and dancing around the room. Bruce had removed his glasses and rolled his sleeves up because he was getting warm from all the dancing and laughing. By this time, Tony had gotten the lyrics correct by singing "hooked" instead of "stuck". But there was one big problem Tony was noticing. In his head, the lyrics had changed again. The longer the song went on, the more he accidentally replaced the word "girl" with "boy".

"I can't stop this feelin'

Deep inside of me

Boy, you just don't realize

What you do to me."

When they ran out of breath, they collapsed on the couch, thighs brushing due to their haphazard landing.

Bruce kept laughing and then took a deep breath out before chuckling again. "Oh, I haven't had that much fun in a long time!"

Tony was smiling, but the gears in his brain were working at full speed, trying to figure out what he was feeling. "Me neither," Tony said.

Then it hit him. He was falling in love with Bruce Banner.

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