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Yokohama ' s population of 3 . 7 million makes it ___MASK55___ ' s largest city after the Special Wards of Tokyo . Yokohama developed rapidly as ___MASK55___ ' s prominent port city following the end of ___MASK55___ ' s relative isolation in the mid - 19th century , and is today one of its major ports along with Kobe , Osaka , Nagoya , Hakata , Tokyo , and Chiba . ___MASK30___ is a genre of popular music that originated as " rock and roll " in the United States in the 1950s , and developed into a range of different styles in the 1960s and later , particularly in the United Kingdom and the United States . It has its roots in 1940s ' and 1950s ' rock and roll , itself heavily influenced by blues , rhythm and blues and country music . ___MASK30___ also drew strongly on a number of other genres such as electric blues and folk , and incorporated influences from jazz , classical and other musical sources . J - ___MASK36___ ( often stylized as J - ___MASK36___ ; " jeipoppu "; an abbreviation for Japanese ___MASK36___ ), natively also known simply as pops , is a musical genre that entered the musical mainstream of Japan in the 1990s . Modern J - ___MASK36___ has its roots in traditional Japanese music , but significantly in 1960s ___MASK36___ and rock music , such as The Beatles and The Beach Boys , which led to Japanese rock bands such as Happy End fusing rock with Japanese music in the early 1970s . J - ___MASK36___ was further defined by new wave groups in the late 1970s , particularly electronic synthpop band Yellow Magic Orchestra and ___MASK36___ rock band Southern All Stars . Compact disc ( CD ) is a ___MASK21___ optical disc data storage format released in ___MASK74___ and co - developed by Philips and ___MASK94___ . The format was originally developed to store and play only sound recordings but was later adapted for storage of data ( CD - ROM ). Several other formats were further derived from these , including write - once audio and data storage ( CD - R ), rewritable media ( CD - RW ), Video Compact Disc ( VCD ), Super Video Compact Disc ( SVCD ), Photo CD , PictureCD , CD - i , and Enhanced Music CD . Audio CD players have been commercially available since October ___MASK74___ , when the first commercially available CD player was released in Japan . Synthpop ( also known as " technopop "), a subgenre of new wave music first became prominent in the late 1970s and features the synthesizer as the dominant musical instrument . It was prefigured in the 1960s and early 1970s by the use of synthesizers in progressive rock , electronic , art rock , disco , and particularly the " Krautrock " of bands like Kraftwerk . It arose as a distinct genre in ___MASK55___ and the ___MASK35___ in the post - punk era as part of the new wave movement of the late - 1970s to the mid - 1980s . , abbreviated DDR and also known as Dancing Stage in earlier games in ___MASK60___ and Australasia , and some other games in ___MASK55___ , is a music video game series produced by ___MASK89___ . Introduced in ___MASK55___ in 1998 as part of the Bemani series , and released in North America and ___MASK60___ in 1999 , " Dance Dance Revolution " is the pioneering series of the rhythm and dance genre in video games . Players stand on a " dance platform " or stage and hit colored arrows laid out in a cross with their feet to musical and visual cues . Players are judged by how well they time their dance to the patterns presented to them and are allowed to choose more music to play to if they receive a passing score . Traditional Japanese music is the folk or traditional music of ___MASK55___ . There are three types of traditional music in ___MASK55___ : theatrical , court music ( called gagaku ), and instrumental . ___MASK55___ (" Nippon " or " Nihon " ; formally "" or " Nihon - koku ", means " State of ___MASK55___ ") is a sovereign ___MASK83___ nation in Eastern Asia . Located in the Pacific Ocean , It is lying off the eastern coast of the Asia Mainland ( east of China , Korea , Russia ) and stretching from the Sea of Okhotsk in the north to the East China Sea and near Taiwan in the southwest . BeForU were a Japanese ___MASK36___ girl group who performed music primarily for the Bemani series of rhythm games . BeForU debuted in 2000 with their song " Dive ", which was notable as being the first Japanese ___MASK36___ song in the " Dance Dance Revolution " series . BeForU was produced by Naoki Maeda , one of the lead ___MASK89___ musical producers . In 2006 , the group made their major label debut under Avex Trax . MPEG - 1 and / or MPEG - 2 Audio Layer III , more commonly referred to as MP3 , is an audio coding format for ___MASK59___ which uses a form of lossy data compression . It is a common audio format for consumer audio streaming or storage , as well as a de facto standard of ___MASK59___ compression for the transfer and playback of music on most ___MASK59___ players and computing devices . History . Two years after Max Matsuura became busy in distributing studio albums from other countries , he and his two co - founders of Avex , Tom Yoda and Ken Suzuki , decided to operate their own ___MASK82___ to compete with the older and more experienced ___MASK42___ ( i . e . ___MASK91___ , Nippon Crown , ___MASK87___ - ___MASK39___ , CBS Sony , Nippon Phonogram and PolyGram K . K ., etc .). This led to the birth of the Avex Trax ___MASK82___ . ___MASK36___ rock is rock music with a lighter , smoother approach that is more reminiscent of commercial ___MASK36___ music . Originating in the 1950s as an alternative to rock and roll , early ___MASK36___ rock was influenced by the beat , arrangements , and style of rock and roll ( and sometimes doo wop ), but placed a greater emphasis on professional songwriting and recording craft . The detractors of ___MASK36___ rock often deride it as a slick , commercial product , less authentic than rock music . A book is a set of written , printed , illustrated , or blank sheets , made of paper , parchment , or other materials , fastened together to hinge at one side , with text and / or images printed in ink . A single sheet within a book is a ___MASK48___ , and each side of a ___MASK48___ is a page . A set of text - filled or illustrated pages produced in electronic format is known as an electronic book , or e - book . Biography . Early life . Kosaka was born in the Yokohama , Kanagawa Prefecture , ___MASK55___ on January 17 , 1985 . The LP ( from " long playing " or " long play ") is an analog sound storage medium , a vinyl ___MASK54___ format characterized by a speed of rpm , a 12 or 10 inch ( 30 or 25 cm ) diameter , and use of the " microgroove " groove specification . Introduced by Columbia in 1948 , it was soon adopted as a new standard by the entire ___MASK54___ industry . Apart from a few relatively minor refinements and the important later addition of stereophonic sound , it has remained the standard format for vinyl albums . ___MASK89___ is famous for popular video game series such as " Castlevania ", " Contra ", " Dance Dance Revolution ", " Gradius ", " Frogger ", " Suikoden ", " Ganbare Goemon ", " Metal Gear ", " Mirmo ", " Beatmania IIDX ", " Pro Evolution Soccer ", " Boktai ", " Silent Hill ", " Yu - Gi - Oh !", and " Sound Voltex ". The 2012 purchase and absorption of Hudson Soft resulted in the addition of several other popular franchises , including " Adventure Island ", " Bonk ", " Bloody Roar ", " Bomberman ", " Far East of Eden " and " Star Soldier ". ___MASK89___ is the twentieth - largest game company in the world by revenue . Albums of recorded music were developed in the early 20th century , first as books of individual 78rpm records , then from 1948 as vinyl LP records played at rpm . Vinyl LPs are still issued , though in the 21st century ___MASK70___ sales have mostly focused on compact disc ( CD ) and MP3 formats . The audio cassette was a format used from the late 1970s through to the 1990s alongside vinyl . Begin is the first Japanese ___MASK70___ by J - ___MASK36___ group BeForU member Riyu Kosaka , released June 11 , 2004 . Many of these tracks are covers of popular bemani songs . The title track of Riyu ' s debut single , True ... is not included on this ___MASK70___ . It was included on BeForU ' s debut ___MASK70___ instead . Another version of the B - side track of that single , Dive to the Night , is included however . The Beach Boys are an American rock band formed in Hawthorne , California in 1961 . The group ' s original lineup consisted of brothers Brian , Dennis , and Carl Wilson , their cousin Mike Love , and their friend Al Jardine . They emerged at the vanguard of the " California Sound ", initially performing original surf songs that gained international popularity for their distinct vocal harmonies and lyrics reflecting a southern California youth culture of surfing , cars , and romance . Rooted in jazz - based vocal groups , 1950s rock and roll , and doo - wop , Brian led the band in devising novel approaches to music production , arranging his compositions for studio orchestras , and experimenting with several genres ranging from ___MASK36___ ballads to psychedelic and baroque styles . ___MASK18___ were an English rock band , formed in Liverpool in 1960 . With members John Lennon , Paul McCartney , George Harrison and Ringo Starr , they became widely regarded as the foremost and most influential act of the rock era . Rooted in skiffle , beat , and 1950s rock and roll , ___MASK18___ later experimented with several musical styles , ranging from ___MASK36___ ballads and Indian music to psychedelia and hard rock , often incorporating classical elements and unconventional recording techniques in innovative ways . In the early 1960s , their enormous popularity first emerged as " Beatlemania ", but as the group ' s music grew in sophistication , led by primary songwriters Lennon and McCartney , they came to be perceived as an embodiment of the ideals shared by the counterculture of the 1960s .