This week is another Fall Out Boy song covered by Rainbow Dash. Last one she did was Centuries.

Applejack - Alto 2 (Lowest part)
*Bass Line
Twilight Sparkle - Alto 1 (Second Lowest Part)
*Strings/Backing Vocals
Rainbow Dash - Soprano 2 B (Third Lowest Part)
*Lead Vocals
Pinkie Pie - Soprano 2 A (Third Highest Part)
*Percussion
Rarity - Soprano 1 B (Second Highest Part)
*Strings
And Fluttershy - Soprano 1 A (Highest Part)
*Strings/Guitar