Chance Music - also known as aleatory music, this method of composition is usually undetermined by the composer, who basically devises numerous musical applications which are then randomly chosen and played, for example, the choice of application could be determined by the roll of a dice

Minimalist Music - is an originally American genre of experimental or Downtown music named in the 1960s based mostly in consonant harmony, steady pulse (if not immobile drones), stasis and slow transformation, and often reiteration of musical phrases or smaller units such as figures, motifs, and cells.

21st Century music genre's

1. Love song
ex. My Love by westlife

2. Rock
ex. Know your Enemy by Green Day

3. Pop
ex.Lucky by Jason Mraz feat. Colbie Calliat

4. Korean Pop
ex. Sorry Sorry by Super Junior

5. RnB
ex. Sexy Love by Ne-yo

6.Country Music
ex. I'm only me with I'm with you by Taylor Swift

7. Club music
ex. I Remember by Kaskade