Public Image Ltd. (PiL) are an English musical group formed in 1978 by vocalist John Lydon, guitarist Keith Levene, and bassist Jah Wobble. Rising from the ashes of the pivotal punk rock group the Sex Pistols, PiL branched out to a more experimental sound, and their early work is often regarded as some of the most challenging and innovative music of the post-punk era: the NME[1] described PiL as "Arguably the first post-rock group". Their later music would be somewhat more conventional