Hip-hop culture consists of four elements – DJ-ing, rapping, breakdancing and graffiti art.

The DJ

Creating a Breakbeat

Originator of the breakbeat, D.J. Kool Herc extended the "break" sections of songs, the part of the song without vocals, only percussion or instrumental. He used two turntables that each had a copy of the record.

Rapping

The role of an emcee in early hip-hop was to introduce a DJ at parties and keep the crowd excited. Over time, the role grew to rhyming lyrics over the DJ’s music.

Breakdancing

Breakdancing is an acrobatic dance style developed in the late ‘70s in New York and Los Angeles.

Graffiti

Often illegal, spray can art was present in the ‘60s in Philadelphia and made popular in New York because of elaborate drawings on its subways.

Old School

Hip-hop arose in the 1970s in The Bronx borough of New York City. By the end of the decade, it had spread to many major cities in the United States, developing into various regional styles.

Early ‘70s

D.J. Kool Herc, considered the godfather of hip-hop, begins DJ-ing block parties in the Bronx. He creates what is known as a breakbeat using two copies of the same record to extend sections in songs for breakdancers to dance. He also creates the fast emcee crew called Kool Herc and the Herculoids.

1977

DJ Grandmaster Flash develops the cutting technique to blend music from two records to create a new sound.

DJ Grandwizard Theodore invents scratching.

1979

Hip-hop’s recorded history is made when the Sugarhill Gang releases the hit single "Rapper’s Delight" and The Fatback Band with King Tim III release rap records.

1980

Kurtis Blow releases "The Breaks". It becomes the first hip-hop single to be certified gold.

1981

The first non-black hit to feature rapping is Blondie’s "Rapture" as Debbie Harry raps on the group’s hit release.

1982

Grandmaster Flash and the Furious Five release "The Message". It is the first record to deal with social issues in poor communities. Afrika Bambaataa and Soul Sonic Force release "Planet Rock", mixing rap with synthesized electronic sounds inspired by the German band Kraftwerk.

1984

Run DMC’s album "Run-D.M.C." becomes the first rap album to be certified gold.

1986

Run DMC release their album "Raising Hell". It features a hip-hop remake of Aerosmith’s "Walk This Way". The record becomes a crossover hit. The Beastie Boys release their debut album, "Licensed to Ill". On Def Jam. It beomes the first rap album to reach No. 1 on the charts.

1987

Salt ‘N Pepa, the first major black female rap group, get their first hit single, "Push It".

A New Era

West Coast gangsta rap rises into the mainstream as hip-hop continues to grow.

1988

NWA releases their hit debut album, "Stright Outta Compton", bringing gangsta rap to mainstream audiences. DJ Jazzy Jeff (Jeff Townes) and the Fresh Prince (Will Smith) win the first Grammy in Best Rap Performance for "Parents Just Don’t Understand".

1989

De La Soul releases their debut album "Three Feet High and Rising". It is considered one of the first albums in the alternative rap genre. The Miami group 2 Live Crew releases their third album, "As Nasty As They Wanna Be". It becomes the first album to be deemed obscene in the United States.

1990

MC Hammer releases his second LP, "Please Hammer Don’t Hurt ‘Em". It sells 10 million albums in the United States making it the biggest selling rap album ever.

1992

Dr. Dre, a former member of NWA, releases "The Chronic". He produces a new sound called G-funk. Arrested Development releases their hit album "3 years, 5 months and Two Days in the Life of…" It opens the door for other southern rap groups to achieve mainstream success.

1993

The Wu-Tang Clan emerges during the reign of West Coast rap with their release of their hit album "Enter the Wu-Tang (36 Chambers)".

Snoop Doggy Dogg’s album "DoggyStyle" becomes the dirst rap album to rise to No. 1 on the charts during its first week of release.

1994

Da Brat releases the album "Funkdafied". She becomes the first woman to achieve platinum success.

1996

West Coast rapper Tupac Shakur and East Coast rapper Notorious B.I.G. begin feuding, marking the beginning of the rivalry between the two coasts. In September, Shakur is shot in a drive-by after attending a boxing match in Las Vegas. He dies a week later.

1997

In March, Notoriious B.IG. is killed as he leaves a Vibe magazine party in Los Angles just weeks before the release of his second album "Life After Death".

1998

Lauryn Hill releases "The Miseducation of Lauryn Hill". " She becomes the first woman in Grammy history to be nominated for 10 awards. She wins five.

2000

Eminem wins the Grammy for best rap album for "The Slim Shady LP", becoming the first white rapper to win the category.

2004

Outkast earns with album of the year honors at the Grammys for "SpeakerBoxxx/The Love Below".

Sources: The Vibe History of Hip Hop, Wikipedia, VH-1, B-Boys.com, GRAMMY, The Recording Industry Association of America