In 1966 and 1967, this Dallas group enjoyed some modest national success with the number five hit "Western Union," as well as a few other Top 40 entries, "I See the Light," "Zip Code," and "Sound of Love." Dominated by high bubbling organ lines and clean harmony vocals, the group favored high-energy pop/rock far more than British Invasion or R&B-inspired sounds, although a bit of garage/frat rock raunch could be detected in their stomping rhythms -- and their guitar-dominated tracks offered something else again, the harmonies and texture of "The Train" (which was very nearly t...