Review: It was way back in 1989 when Main Source made their debut with a double A-side single featuring "Think" and "Atom". Here the latter track is given a seven-inch reissue, with the group's original version being joined by a flipside instrumental. The joy of "Atom", aside from the band's high-octane, delay-laden vocals, is the vibrant, party-hearty nature of the backing track. Bass-heavy and blessed with crunchy, club-ready drum breaks, it features extensive samples (horns, guitars etc.) from Marvin Gaye and Tammi Tyrell's 1967 Motown classic "Little Ole Boy, Little Ole Girl". These give the track a soulful and funky feel that's guaranteed to put smiles on faces.