user: Please answer the following question: Information:  - EMI (officially EMI Group Limited, originally an initialism for Electric and Musical Industries and often known as EMI Records and EMI Music) was a British multinational conglomerate founded in March 1931 and was based in London. At the time of its break-up in 2012, it was the fourth-largest business group and family of record labels in the recording industry and was one of the big four record companies (now the big three). Its EMI Records Ltd. group of record labels included EMI Records, Parlophone, Virgin Records and Capitol Records. EMI also had a major publishing arm, EMI Music Publishingalso based in London with offices globally.  - Seventies Power Ballads - The Greatest Driving Anthems in the World ... Ever ! is an edition in The Greatest Driving Anthems in the World ... Ever ! series , which is a part of The Best ... Album in the World ... Ever ! brand . This album was released September 29 , 2008 and includes some of the biggest power ballads the 1970s had to offer . On March 16 , 2009 , the album was also released in a New Zealandic edition .  - Virgin Records is a major record label first founded by English entrepreneur Richard Branson, Simon Draper, Nik Powell and musician Tom Newman in 1972. The company grew to be a worldwide phenomenon over time with the success of its platinum performers such as Janet Jackson, Roy Orbison, Devo, Genesis, Keith Richards, the Human League, Culture Club, Simple Minds, Lenny Kravitz, dc Talk, the Smashing Pumpkins, Mike Oldfield, Spice Girls and more on their list of artists. It was later sold to Thorn EMI in 1992.  - Music is an art form and cultural activity whose medium is sound and silence, which exist in time. The common elements of music are pitch (which governs melody and harmony), rhythm (and its associated concepts tempo, meter, and articulation), dynamics (loudness and softness), and the sonic qualities of timbre and texture (which are sometimes termed the "color" of a musical sound). Different styles or types of music may emphasize, de-emphasize or omit some of these elements. Music is performed with a vast range of instruments and vocal techniques ranging from singing to rapping; there are solely instrumental pieces, solely vocal pieces (such as songs without instrumental accompaniment) and pieces that combine singing and instruments. The word derives from Greek  ("mousike"; "art of the Muses"). In its most general form, the activities describing music as an art form include the production of works of music (songs, tunes, symphonies, and so on), the criticism of music, the study of the history of music, and the aesthetic examination of music. Ancient Greek and Indian philosophers defined music as tones ordered horizontally as melodies and vertically as harmonies. Common sayings such as "the harmony of the spheres" and "it is music to my ears" point to the notion that music is often ordered and pleasant to listen to. However, 20th-century composer John Cage thought that any sound can be music, saying, for example, "There is no noise, only sound."  - The Best... Album in the World...Ever! is a compilation album brand from Circa Records (trading under the 'strategic marketing' brand name of EMI/Virgin Records). Usually the album's title is made of the main title, genre and maybe issue number (so albums would include "The Best Ibiza Album in the World...Ever!", "The Best Rock Album in the World...Ever!" etc.), however on a number of indie music collections the genre aspect was replaced by a full list of artist names. Due to this, these were just normally listed as The Best Album in the World...Ever!.    What is the relationship between 'seventies power ballads' and 'compilation album'?
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