Demi Lovato, Taylor Swift Mashup 'I Knew You Had a Heart Attack' [LISTEN]: 'I Knew You Were Trouble' Meets 'Heart Attack!

Ever wonder how two of the year's catchiest songs would sound like if they were mashed together into one track? Lucky for you a fan of both Taylor Swift and Demi Lovato created a mashup of their respective hits "I Knew You Were Trouble" and "Heart Attack." The result: "I Knew You Had a Heart Attack." So the name might not be too inviting, but everything else about the song has caught the attention of Perez Hilton, The Huffington Post, and other sites.

Listen right here to the intense mashup "I Knew You Had a Heart Attack," featuring Taylor Swift and Demi Lovato hits in one song:

Self-proclaimed pop music enthusiast, Earlvin Jules Soco, arranged and produced this crazy mashup and is also responsible for a handful of others. This 17 year old boy from Cebu, Phillipines, has managed to bring together some of the biggest names in music on his SoundCloud page.

His profile reads:

"Hey! I'm Earlvin, Average 17 y.o. Boy with a Passion for Music (specifically Pop). I Love making Mashups for entertainment, and I do them Professionally & Precisely."

He then says that all sharing and comments are welcome.

This mashup maker also has Justin Bieber and Selena Gomez singing their hits together, as well as Carly Rae Jepsen and Flo Rida, One Direction and the Jonas Brothers, and even gets Rihanna, Nicki Minaj, and Dvid Guetta together.

Click Here to hear the rest of this mashup artist's work on SoundCloud.