Paramore's Hayley Williams was having whens she pulled out her acoustic guitar and sang a bit of her solo single "Simmer" on her back porch in the latest episode of her "self-serenade" series. The minute-long, meditative snippet is so quiet you can hear the birds chirping in the background, and it features a cameo from the singer's dog, Alf, who finds a spot to chill and watch the command outdoor performance."This song came out 6 hundred years ago, b.c.