Where previous installments of Nuggets concentrated on singles, Hallucinations is a true excavation of the vaults, picking overlooked album tracks and neglected singles from a cornucopia of WEA-owned labels, including Warner Bros., Cotillion, Jubilee, Valiant, Reprise, and Atco. While the focus is on acts that released a single or forgotten album, there are a handful of recognizable names – the Association, Kim Fowley, the Electric Prunes, the Bonniwell Music Machine, the Tokens, the West Coast Pop Art Experimental Band – and in the Monkees' "Porpoise Song," there's even a genuine hit.