Complex sentence: It was the first single of the album reaching the Top 40 because "Take Back the City" failed to reach the chart and reached the fifth position in the Tipparade, the list of 30 songs with Top 40 potential.
Split into simpler sentences: It was the first single of the album reaching the Top 40. The previous single "Take Back the City" failed to chart, but reached fifth position in the Tipparade, the list of 30 songs with Top 40 potential.