But the obscure career of Nervous Norvus did not end with "Transfusion." The profoundly bashful singer/songwriter/ukulele player who melded rock 'n' roll, rockabilly and vaudeville is celebrated on this exhaustive 33-track retrospective (which includes homemade demos and unreleased master tapes) of rhyming white-trash rap dissimilar to anything heard before. "Dig" is a jive-talking monologue of life as a hipster ("D-I-G means you know the score, so dig, dig, dig and dig some more."), "Ape Call" is an elegy to the sexual appetites of cavemen and jungle beasts, and the rapper's delight, "The Fang," concerns a horny alien who lands on Earth in search of poontang ("I'm gonna hit these chicks like a Martian jolt. 'Cuz I'm a red-hot daddy with a thousand volts"). Some singers have a way with a phrase, but none quite like the speak-singing poetry of Nervous Norvus, one of the unsung heroes of rock 'n' roll.