sentences:  KMPX was dedicated to the preservation of a musical history that had been often neglected or maligned and it carried the distinction of being the only station in the country at that time to devote full-time programming to the sounds of the 1920s, 30s.40s and early 50s.John Jensen was General Manager/Program Director during that period and one of the first things established was a broader mix of music from those decades and a playlist formula established.