Partition (song) - Wikipedia

"Partition" is a song recorded by American singer Beyoncé for her self-titled fifth studio album released in 2013. Beyoncé co-wrote and co-produced the song with Justin Timberlake, Timbaland, Jerome "J-Roc" Harmon, Dwane "Key Wane" Weir, and Mike Dean, with extra writing from The-Dream and extra production from Jordy "Boots" Asher.