If music is the soundtrack to our lives, then graduating CU seniors had one hell of a four-year ride.

What top music hits were you listening to for the past four or five years? OK, we know some of you are on the five-year plan. Super seniors!

Here are some of the songs you grew to love or hate during your stint at CU. These were the songs that were playing when you partied, broke up with significant others -- or the tunes you beat up your roommate for playing a million times.

2006

You were busy getting accepted to CU -- or you're on the five-year plan -- when these top 2006 tunes hit the airwaves.

Oddly enough, the top song of the year was Daniel Powter's "Bad Day." The depressing pop tune took off after "American Idol" decided to play it when contestants got voted off.

That can only be topped by James Blunt's sappy love song "You're Beautiful."

Fortunately, Gnarls Barkley's "Crazy," Justin Timberlake's "SexyBack" and "Dani California" by the Red Hot Chili Peppers saved the radio charts.

2006 was also the year that Colorado's The Fray broke out with "Over My Head" and "How to Save a Life."

2007

2007 was the year many grads started CU and it was the year of girl power music.

Rhianna's "Umbrella," Gwen Stefani's "The Sweet Escape," and Fergie's (Black Eyed Peas) "Big Girls Don't Cry" topped the radio charts.

2007 was also a big year for pop music with Avril LaVigne's "Girlfriend" and Maroon Five's "Makes Me Wonder."

Here's the most annoying song of 2007 -- the Plain White T's radio hit "Hey There Delilah." The song got an insane amount of airplay -- and the band's career is now toast.

2008

The top hits of 2008 went all over the map.

Hip-hop and R&B ruled with Flo Rida's "Low," Lil Wayne's "Lollipop" and Chris Brown's "With You" and "Forever." This was also the year that Rihanna hit the charts with "Take a Bow."

And we all know what happened with Rihanna and Brown.

2008 was also the year of quirky songs. Yep, Katy Perry hit it big with "I Kissed a Girl," Colbie Caillat warbled out "Bubbly" and Pink gave the musical finger with "So What."

2009

Oh yeah, performers started to lay it on the line with their songs and performances in 2009.

Lady Gaga burst on the scene with "Poker Face," the Black Eyed Peas cranked out "Boom Boom Pow," Beyonce called out guys with "Single Ladies (Put a Ring on It)" and The All-American Rejects were all about revenge in "Gives You Hell."

2009 was also the year that Kings of Leon blew up with "Use Somebody," and Boulder's 3OH!3 made the charts with "Don't Trust Me."

2010

You gotta have party music for your senior year, and the world of Top 40 radio was very willing to accommodate.

2010 was the year that Ke$ha topped the charts with her hangover anthem "Tik Tok," Katy Perry joined forces with Snoop Dogg for the partylicious "California Gurls" and Lady Gaga released the ultimate dance tune "Bad Romance."

Musicians also went back to writing sensitive love songs in 2010. B.o.B's "Airplanes" and Bruno Mars' "Just the Way You Are" scored as two of the best romantic tunes of the year.

2011

OK, you're ready to graduate. How 'bout playing these Top 20 tunes for Mom and Dad when they're driving you around town this week?

Yes, we're ending your CU career with a bang. Sitting at the top of the record charts is Cee Lo Green's "F**k You," Pink's "F**kin' Perfect" and Wiz Khalifa's "Roll Up."

Try topping that, class of 2012.