Taylor Swift and Patrick Stump of Fall Out Boy performing My Songs Know What You Did in the Dark (Light 'Em Up)
• Tour : The Red Tour (2013-2014)
• Date : July 13, 2013
• City : East Rutherford, New Jersey
• Venue : MetLife Stadium

0:00 Taylor talks to the crowd
0:28 Talks about the guest
0:39 Introducing Patrick Stump
0:43 Song starts
2:56 Taylor talks to the crowd
3:49 Song resumes
4:36 Song ends
5:13 Credits

Original videos (all credits to the ones who filmed this performance) :
   • Taylor Swift & Patrick Stump sing "My...  
   • My Songs Know What You Did In The Dar...  
   • My Songs Know What You Did In The Dar...  
   • My Songs Know What You Did In The Dar...  
   • Taylor Swift Ft. Patrick Stump - My S...  
   • Taylor Swift and Patrick Stump -"My S...  
   • Taylor Swift and Patrick Stump - My S...