Rock until You Drop is the first full-length album by the British heavy metal band Raven, released in 1981. The album was the first of many heavy metal studio albums issued by British independent label Neat Records. It reached position No. 63 in the UK Albums Chart.The song "Lambs to the Slaughter" was covered by German thrash band Kreator on their Out of the Dark ... Into the Light EP, added to the re-mastered Terrible Certainty CD in 2000.