The cast of Cats, including Taylor Swift, Jennifer Hudson, Jason Derulo, James Corden and Francesca Hayward, join Jimmy and The Roots to perform a remix of “Memory” with instruments they found in an alley. See the full instrument list below:

Taylor Swift – Vocals, Milk Bottle
Jimmy – Vocals, Rain Gutter
Jennifer Hudson – Vocals
Francesca Hayward – Vocals, Paint Can
Jason Derulo – Vocals, Bottle
James Corden – Vocals, Nails in Jar
Questlove – Kick Drum, Garbage Can Lids
Black Thought – Tuna Cans
James Poysner – Keyboard
Captain Kirk – Acoustic Guitar
Mark – Upright Nass
Tuba Gooding Jr. – Coffee Can
Stro – Garbage Can
Kamal Gray – Xylophone