A professor with a Ph.D. in music psychology has come up with the top 10 songs to that make people happy. The London professor developed a happy formula for music that's based on the key the songs in, beats per minute and the technical aspects of the recording.

Dr. Michael Bonshor found songs that people can dance to, those with a good beat ranked highest. A happy song should have a short intro as well. Riffs within the song should be "repeated" with a mix of "predictability and surprise".

#10 September—Earth, Wind & Fire

#9 Waterloo—Abba

#8 YMCA—Village People

#7 I Get Around—The Beach Boys

#6 Sun Is Shining—Bob Marley

#5 Uptown Girl—Billy Joel

#4 Get The Party Started—Pink

#3 House of Fun—Madness

#2 I Got You (I Feel Good)—James Brown

#1 Good Vibrations—The Beach Boys

Songs that people can dance to, those with a good beat, ranked highest. A happy song should have a short intro as well. Riffs within the song should be "repeated" with a mix of "predictability and surprise".

According to the professor's formula, "Good Vibrations" by The Beach Boys is the happiest song in the world.

Check Out the Best-Selling Album From the Year You Graduated High School

Do you remember the top album from the year you graduated high school? Stacker analyzed Billboard data to determine just that, looking at the best-selling album from every year going all the way back to 1956. Sales data is included only from 1992 onward when Nielsen's SoundScan began gathering computerized figures.

Going in chronological order from 1956 to 2020, we present the best-selling album from the year you graduated high school.

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