Electro-sleaze goofballs LMFAO are, at this moment, the only thing standing between Katy Perry and the history books. As we told you last week, their smash single “Party Rock Anthem” is blocking “Last Friday Night (T.G.I.F.)” from ascending to the top of the Billboard 100 chart (which would be Perry’s fifth Number One off her Teenage Dream LP). LMFAO is also currently besting Perry on the YouTube and iTunes charts, while Katy is maintaining dominance on Last.fm as well as airplay on our station. And our friends over at New York Magazine‘s Vulture just named “Party Rock Anthem”—a song they described as “a contrived, effective bit of nonsense about how ‘everybody’s gonna have a good time’”—as their current Song of the Summer.

Despite this onslaught from the progeny of Motown records founder Berry Gordy, our highly scientific formula still shows Perry atop our charts for the seventh consecutive week. While it will be incredibly difficult to topple her, it’s good to see Foster The People making a run at the Top Five. After a standout performance at Lollapalooza this weekend, their outstanding single “Pumped Up Kicks” is quickly climbing the charts; if the word “alternative” still carried any weight as a genre, there’s little doubt that Mark Foster could lay claim to the “alternative” Song of the Summer crown.

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The dog days of summer are upon us, people. It’s August, it’s hot outside, and the news cycle is starting to slow to a crawl. The general sluggishness of the season is even affecting the music industry, as music fans don’t seem to be gravitating towards any new material. Instead, they seem to be content to play the same songs that they’ve had on repeat all summer long.

Case in point: Katy Perry‘s “Last Friday Night (T.G.I.F),” which has exhibited a stranglehold on the top of our Song of the Summer Countdown for six consecutive weeks. Her song looks to have a lock on the prize at this point, but then again, maybe The Throne (aka Jay-Z and Kanye West) can mount a last-minute challenge when their highly anticipated collaboration Watch The Throne drops next week? Stay tuned!

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When Michael Jackson tragically and unexpectedly passed away two summers ago after an overdose of Propofol (which may or may not have been administered by Dr. Conrad Murray), the primary coping mechanism that people utilized while dealing with their grief was rekindling their love of his extensive musical legacy. People who hadn’t visited record stores in years flocked to purchase his back catalog, radio stations worldwide spun his songs for months on end and, as a result, Michael Jackson became a bigger star in death than he had been during the last 15 years of his life.

Well, in terms of her cultural relevance, it’s safe to say that Amy Winehouse was no Michael Jackson. However, her untimely (if somewhat expected) death this weekend at the age of 27 has done a lot to rekindle people’s interest in her musical output, which consists of two studio albums (2003′s Frank and 2006′s Back To Black) and a handful of B-sides. Not surprisingly, she currently occupies three of the top six spots on the iTunes album charts (see below), and “Rehab” —sadly, the song that will now forever define her career— has sold enough and been spun enough in the past three days to land it at #15 on this week’s Song Of The Summer Countdown.

As for the rest of the chart, there’s not much to say this week. The top seven spots in this week’s countdown are identical to the top seven songs from last week’s countdown; Katy Perry is still holding court at the top of the charts, and Adele is still nipping at her heels, closely trailed by Pitbull, LMFAO and Lady Gaga.

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