Music can be stated in terms of different styles and genres. Music genre, musical genre, musical style are all synonyms of each other. In music, genre means a musical style such as jazz, rock, salsa, etc. According to Wikipedia, Music Genre is a conventional category that identifies some pieces of music as belonging to a shared tradition or set of conventions. In simpler words, music genre is an expressive style of music.

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Music can be categorised into different genres in many different ways like Rock music, Jazz, EDM, Dubstep, Blues etc. The nature of music being artistic, these categories are many times subjective and controversial, and some of these music genres may overlap. 

Music of different genres and styles when playing in the background also creates a strong impact on the minds of people, for instance music played in retail stores influences the shopping behaviour, music played at workplaces increases the efficiency and productivity, music played at restaurants makes people enjoy their food and drinks and music played at an online casino help in shaping the players' gambling decisions.

Below are some of the popular genres in the music industry:

Electronic Dance Music:

Electronic Dance Music (EDM), which is also known as club music or dance music is a range of percussive music produced by DJ's (disc jockeys) who create a mix (ceaseless selection of different music tracks) by moving easily without any interruption from one piece of music to another. This genre of music is largely made for nightclubs, music parties, raves, festivals, etc.

EDM began in the late 1970's from the very popular disco genre. Disco music, created to synthesize music by using drum machines and electronic instruments which attracted the crowds of people to move on the dance floor.

The most popular EDM songs trending are:

Sorry - Justin Bieber - Purpose (Deluxe) 

Lean On - Major Lazer, MO, DJ Snake

Faded - Alan Walker - Faded

Closer - The Chainsmokers, Halsey 

This Is What You Came For - Calvin Harris, Rihanna 

Rock Music:

Rock Music originated in the 1950's in the United States. It is a genre of popular music. By the time of rock music's inception, the overlapping of different types of music genres had already started to occur several times, creating jazz, blues, gospel, western swing and rhythm and blues.

Rock and roll, electric blues, folk music, country, blues, rhythm and blues, soul music are stylic origins of rock music. The instruments used for this music genre are vocals, electric guitar, bass guitar, acoustic guitar, drums, synthesizer, and keyboards. Rock music is song-based with lyrics about romantic love, however, the lyrics can also have social or political themes also.

Rock music can be performed live at concerts, casinos, and night clubs. This music is popular among the youth because of its loud and strong beats.

Here is a list of some famous rock bands:

The Rolling Stones

Panic! At The Disco

Metallica

Queen

Jonas Brothers

Jazz:

Jazz, originated in late 19th and early 20th century has its roots in West Africa and Europe and is identified with swing and blue notes. It is one of America's original art forms. Ella Fitzgerald, Betty Carter, Abbey Lincoln, Ethel Waters and many other female performers were introduced to the world by jazz music. 

Some of the new jazz songs hitting the charts are:

Take Five - Dave Brubeck

In a Sentimental Mood - Duke Ellington

All Blues - Miles Davis

A Night In Tunisia - Dizzy Gillespie

Rhythm and Blues:

Rhythm and Blues is an African-American music, originated in the 1940s. This music focuses on themes like relationship, sex and freedom, and it's a combination of funk, hip-hop and dance pop. Some of the famous vocalists of this form of music are the legendary Michael Jackson, Rihanna, Mariah Carey, Beyoncé and Usher.

Top Rhythm and Blues songs are:

No Guidance - Chris Brown 

Heartless - The Weekend

What You Did - Mahalia 

Old Town Road - Lil Nas X 

Country Music:

Country music originated in the early 1920s in the Southern United States. It is also known as hillbilly music as it takes its roots from American folk music (Appalachian music and Western music), old- time music and Celtic music. With simple forms, folk lyrics and harmonies country music consists of ballads and dance tunes which is accompanied by string instruments like banjos, steel guitars, acoustic guitars and fiddles. Some of the greatest of all time country music songs and singers are:

Ring of Fire - Johnny Cash

Fancy - Reba McEntire

Jolene - Dolly Parton

The Dukes of Hazzard - Waylon Jennings

Spring Breakdown - Luke Bryan

Conclusion

Music genre is only a guide to different music styles, which is derived from musical period, musical instruments and the different musical instruments used to play them.