Adam Lambert made history when 'Trespassing' debuted at No. 1 on the Billboard Top 200 sales chart. He was the first openly gay male musician to achieve the feat, which is a big deal.

The reason that the public responded so resoundingly is due to the album's mix of pop power and somewhat melancholic, emotionally provocative songs. Bolstered by singles like 'Better Than I Know Myself' and 'Never Close Our Eyes,' the album is erected on Glambert's signature soaring vocals and songs that stick in your cranium for days on end. Lambert is a powerhouse vocalist who can knock the cover off a baseball with his larger-than-life pipes.

Now that he is several years removed from his 'American Idol' season, Lambert is proving that contestants on the reality show don't need to win the top prize in order to prevail in pop music. 'Trespassing' is the evidence of that fact.