Reuters — LOS ANGELES/LONDON (Reuters) - Michael Jackson's new single "This Is It" was released online and on radio on Monday but fans and music experts quickly spotted striking similarities to an 18-year-old recording. more info

Jam! Showbiz Music, Canada — Maybe they forgot the question mark. Michael Jackson's "brand new" posthumous single This is It -- released yesterday at midnight on Jackson's website -- isn't exactly a barnburner. Then again, it isn't exactly a new song either. more info

Star Online, Malaysia — LOS ANGELES (AP) - With a familiar high-pitched voice counting off one-two-three-four, a new Michael Jackson single debuted online Monday, prompting a hasty response from the singer's estate after Paul Anka revealed he was the song's co-writer. more info

The Newsroom — This Is It: Michael Jackson single released more info

L.A. Times - Entertainment — Though officially released less than 24 hours ago, Michael Jackson's first posthumous single, "This Is It," has turned out to not be so new after all. more info

E! Online — All is well once again in Michael Jackson Litigation Land—but things were looking dicey for a minute. Crooner Paul Anka, who perhaps most famously penned the lyrics to the Frank... more info

L.A. Times - Pop & Hiss — Though officially released less than 24 hours ago, Michael Jackson's first posthumous single, "This Is It," has turned out to not be so new after all. After rampant speculation Monday that the song has decades-old roots, a representative to the... more info

USA Today Music — Initial reaction to Michael Jackson's new single has been fairly positive, but no one is declaring the song a classic. more info

ET Online — A new Michael Jackson song that was posthumously released, called "This Is It," was co-written by singer Paul Anka, it was revealed Monday. The Associated Press reports that the original version of the song, called "I Never Heard," was a duet ... more info

TMZ — It's the quickest resolution in Hollywood history -- Paul Anka says the special administrators of Michael Jackson's estate gave him a 50% cut of "This Is It."Paul also said John McClain told him, "Now we know why the song was so good ... it wasn't ... more info