Prometheus Being Chained by Vulcan Prometheus Being Chained by Vulcan Prometheus Being Chained by Vulcan is an oil painting of 1623 by Dirck van Baburen of the Utrecht School, and an example of Baroque chiaroscuro. The painting represents a tale from Greco-Roman mythology. Mercury, the messenger of the gods, watches the club-footed blacksmith god, Vulcan, punish the bold and cunning Titan Prometheus for stealing fire from the gods and giving it to mortals. Prometheus's punishment is to be bound to a rock and to have his liver consumed daily by an eagle. The painting mysteriously has two signatures: the first is a clear signature below
Chained to the Rhythm that contains a midtempo beat. Perry co-wrote the track with Marley, Sia Furler, and its producers Max Martin and Ali Payami. It has a length of three minutes and fifty-seven seconds. The song contains "slap bass" with elements of electric guitar and synths. It features a guest appearance from Marley and background vocals from Furler. According to the sheet music published by Kobalt Music Publishing America, Inc on Musicnotes.com, "Chained to the Rhythm" is in A minor set in a time signature at a moderate tempo of 95 beats per minute. Perry's vocal range spans from the low note B