Any Marvelettes collection worth its salt is bound to include "Please Mr. Postman," "Beechwood 4-5789," and "The Hunter Gets Captured by the Game," the three biggest hits by the group whose early singles put Motown on the R&B map during the early '60s. Spectrum's The Essential Collection completely defies its title, however, by including only one of these, "Please Mr. Postman." This is almost exclusively a collector's release, including four unreleased tracks and many other rare items that exist only in the collections of the lucrative Northern soul DJs of Britain. Recommended only if you can't get enough of the Marvelettes' Ultimate Collection.