Pop music is the medium of a pop stars. A genre of popular music which is recognized by everyone not just on the people who works in a music industry, but as well as to people who are just a fan of a pop icon. Pop music is very eclectic. Generally the length of the songs is from short to medium which is written in a basic format where the structure is verse-chorus. It makes the usage of repeated choruses. Have a melodic sound which is very catchy. Pure pop music such as power pop features the elements of urban, dance, rock, Latin and country. It uses the electric guitars, drums and a bass as an instrument. Pop music should be pleasurable and very appealing to the audience. Just like the music of Madonna, Cindy Lauper in late 1980’s or 1990’s. But in today’s generation, the music of Adele and Justine Bieber are the hottest pop music which always hit the billboard music chart. Their albums always reach millions. In today’s music, Adele’s “21” albums spend 22nd week atop the billboard 200 chart; it is now the longest-running no.1 album. If Adele’s album become number one. The late Whitney Houston’s “Whitney: the Greatest hits” holds the no.2 spot on the billboard music chart. While her singles “I will always love you” which became everybody’s favorite and a master piece in a singing contest slides 2-13 on the Digital song chart. Next to Whitney is the fun’s second album “some Nights” holds the no.3 spot on the music chart. Tyga’s debut album “Careless world: Rise of the last king “now amazingly starts at the no.4 spot.