It's been four years since Rob Thomas released his last solo effort, 'Something to Be,' and today his new album, 'Cradlesong,' hit stores. Reviews of the album have been positive, and you can listen for yourself on AOL Music's free full CD listening party. (Please note - the listening party expires Monday, July 6) You can also hear Thomas' new single, 'Her Diamonds,' on AOL Radio's Adult Alternative station.

Now that the year is halfway through, we're taking a look at the best songs of 2009 thus far. Here are this year's top pop singles as rated by our AOL Radio listeners. If your favorite song from 2009 isn't on this list, let us know about it in the comments.

10) T.I.: 'Dead and Gone'

What's it about? T.I.'s friend Philant Johnson was killed in May 2006 when T.I., Philant and friends were leaving a show in Cincinnati. The friends were caught up in a shooting in which all were harmed and Philant died from the injuries he sustained. T.I. uses this song as a tribute to his late friend.

Did you know? The song entered the Billboard Hot 100 before its official release. The song features Justin Timberlake, making this the pair's second collaboration together.

Download 'Dead And Gone' | Read Lyrics

10) Alabama: '40 Hour Week (for a Livin')'

Released: 1985

Album: '40-Hour Week'

Did you know? The song is the band's 17th No. 1 hit, and broke country music star Sonny James' streak of most uninterrupted chart-toppers in a row.

Inspiration: Alabama wrote the song to give credit to the hard workers of America and the tough jobs they do.

Download '40 Hour Week'

AOL Radio has an exclusive premiere of the Harry Potter and the Half Blood Prince™ soundtrack. The movie hits theaters July 15th, but if you can't wait make sure to tune in to the Movie Scores station on AOL Radio. You'll hear a track from the album every hour at the top of the hour!

The Harry Potter and the Half Blood Prince™ soundtrack will be released July 14th.

To pay tribute to the King of Pop, we're counting down the top 10 Michael Jackson songs of all time, as rated by AOL Radio listeners. We also want to hear what your favorite MJ song is in the comments! Read the list, then listen to AOL Radio's All Michael Jackson station.

10) 'Don't Stop 'Til You Get Enough'

Released: 1979

Album: 'Off the Wall'

Did you know? The song was MJ's debut single from 'Off The Wall' and the first solo recording that he had creative control on.

Download 'Don't Stop 'Til You Get Enough' | Read Lyrics

Throughout the history of film, there have been songs that leave a lasting impact on pop culture. This unique facet of the music industry has led to some of the most original music being produced. As determined by AOL listeners, AOL Radio has compiled a list of the Top 10 Best Movie Songs. Whether it was the movie's theme song or used to drive the plot forward, these tunes caught the attention of moviegoers everywhere. So enjoy the list, and if your favorite movie song didn't make the cut, let us know about it in the comments!

10) Survivor: 'Eye of the Tiger'

Year: 1982

Movie: 'Rocky III'

Memorable Scene: During a montage focusing on the training of Rocky Balboa (Sylvester Stallone) and his opponent, Clubber Lang (Mr. T), Rocky is spending time with his family and gaining a commercial image while Lang is doing everything he physically can to ensure he will defeat Rocky.

Did you know? Before Survivor were commissioned to write 'Eye of the Tiger,' Stallone wanted to use Queen's 'Another One Bites the Dust.' Now, 'Eye' is listed as No. 21 on Billboard's All Time Top 100 and we have Rocky Balboa to thank for it.

Download 'Eye of the Tiger' | Read Lyrics

The AOL Radio store is open for business, so grab your official AOL Radio gear! Now you can buy products with the logos from your favorite AOL Radio stations. Hoodies, bags and even sweaters for your dog can all be found at the AOL Radio store. Choose your color, your style and express your favorite station!

We've added a new feature on the AOL Radio widget that you can embed on your MySpace, Facebook, Bebo pages - or even for your own personal blog or website.

You can now tweet on Twitter what station you are listening to on the module. Simply click on the 'Tweet This' button on the module and you will be prompted for your Twitter username and password. Once you've entered this in, your Twitter feed will be automatically updated to alert your followers what AOL Radio station you're listening to, like so:

So Twitter fans, check it out!

For the past three decades, Metallica have been filling our speakers with some of the greatest music in the history of metal and hard rock. The question is: What songs in Metallica's vast discography are the very best? The staff at AOL Radio are able to easily answer this question by looking at years of listener feedback. Each time you, the listener, hear a Metallica song on AOL Radio, you can express how much you like or dislike it via our five-star rating system. Using this feedback, we bring you the 10 best Metallica songs. Enjoy, and let us know what your favorite Metallica song is in the comments.

10) 'Creeping Death'

Released: 1984

Album: 'Ride the Lightning'

Did you know? The song's inspiration comes from the scene in the movie 'The Ten Commandments' in which plagues in the Bible were bestowed on the ancient Egyptians. While watching the movie, bassist Cliff Burton mentioned, "It's like a creeping death," giving the song its name.

In the media: On Slipknot's DVD 'Voliminal: Inside the Nine,' Slipknot's Joey Jordison plays the drums on 'Creeping Death' for Metallica because Lars Ulrich was too sick to play.

Download 'Creeping Death' | Read Lyrics

"The 1st single from my new album MEMOIRS OF AN IMPERFECT ANGEL is called 'Obsessed' . I'm a lil' exc ... Seriously, this is one of my favorite songs ever. I love the whole album. I'm completely immersed in it. I can't wait for you to hear it. LY" – Mariah Carey on Twitter

AOL Radio has Mariah Carey's new single, 'Obsessed,' her first single from 'Memoirs of an Imperfect Angel.' The album will be out in stores on August 25th. 'Obsessed' was written and produced by Mariah, The-Dream and Tricky Stewart, who are responsible for the majority of tracks on the new album.