“FourFiveSeconds” features vocals by Rihanna and Kanye West, and instrumentals by Sir Paul McCartney. It has earned praise for its minimalist instrumentals, which include acoustic guitar, cello, and organ, and for blending pop, hip-hop, country, and folk — an unprecedented mash-up for all three performers. It was expected to be on her eighth album ANTI, but was not included. The album art for the single reads “Four Five Seconds” in Braille. Read more on Last.fm.