Complex sentence: The album produced two singles, "Hole in My Heart" and "Postmarked Birmingham", both reached the top 40 on the Billboard charts, but neither peaked as high as the band's singles from its previous two albums.
Split into simpler sentences: The album produced two singles, "Hole in My Heart" and "Postmarked Birmingham". Both reached the top 40 on the Billboard charts, but neither peaked as high as the band's singles from its previous two albums.