Judas Priest are an English heavy metal band from Birmingham, formed in 1969. Judas Priest's core line-up consists of bass player Ian Hill, vocalist Rob Halford and guitarists Glenn Tipton and K. K. Downing; their drummer is Scott Travis. They have been cited as an influence on many heavy metal musicians and bands. Their popularity and status as one of the definitive heavy metal bands has earned them the nickname "Metal Gods" from their song of the same name. They have sold over 35 million albums worldwide.^{[citation needed]}