Question: Information:  - "Candle in the Wind" is a threnody song with music and lyrics by Elton John and Bernie Taupin. It was originally written in 1973, in honour of Marilyn Monroe, who had died 11 years earlier.  - Bernard John "Bernie" Taupin (born 22 May 1950) is an English lyricist, poet, and singer, best known for his long-term collaboration with Elton John, writing the lyrics for the majority of the star's songs, and making his lyrics some of the best known in music history.  - Leon Russell (born Claude Russell Bridges; April 2, 1942  November 13, 2016) was an American musician and songwriter who was involved with numerous bestselling pop music records over the course of his 60-year career. His genres included pop, rock, blues, country, bluegrass, standards, gospel and surf records, with six gold records to his credit.  - Sir Elton Hercules John, (born Reginald Kenneth Dwight; 25 March 1947) is an English singer, pianist, and composer. He has worked with lyricist Bernie Taupin as his songwriting partner since 1967; they have collaborated on more than 30 albums to date. In his five-decade career Elton John has sold more than 300million records, making him one of the best-selling music artists in the world. He has more than fifty Top 40 hits, including seven consecutive No. 1 US albums, 58 "Billboard" Top 40 singles, 27 Top 10, four No. 2 and nine No. 1. For 31 consecutive years (19702000) he had at least one song in the "Billboard" Hot 100. His tribute single, re-penned in dedication to the late Princess Diana, "Candle in the Wind 1997" sold over 33million copies worldwide and is the best-selling single in the history of the UK and US singles charts. He has also composed music, produced records, and has occasionally acted in films. John owned Watford Football Club from 1976 to 1987, and 1997 to 2002. He is an honorary Life President of the club, and in 2014 had a stand named after him at the club's home stadium.  - `` A Song for You '' is a song written and originally recorded by rock singer and pianist Leon Russell for his first solo album Leon Russell , which was released in 1970 on Shelter Records . A slow , pained plea for forgiveness and understanding from an estranged lover , the tune is one of Russell 's best - known compositions . It has been performed and recorded by an array of artists , spanning many musical genres . Elton John has called the song an American classic . One of the first versions of the song that brought it broader attention was by Andy Williams , whose single peaked at # 29 on the adult contemporary chart and # 82 on the Billboard Hot 100 in 1971 .  - Blues is a genre and musical form originated by African Americans in the Deep South of the United States around the end of the 19th century. The genre developed from roots in African musical traditions, African-American work songs and European-American folk music. Blues incorporated spirituals, work songs, field hollers, shouts, chants, and rhymed simple narrative ballads. The blues form, ubiquitous in jazz, rhythm and blues and rock and roll, is characterized by the call-and-response pattern, the blues scale and specific chord progressions, of which the twelve-bar blues is the most common. Blue notes (or "worried notes"), usually thirds or fifths flattened in pitch, are also an essential part of the sound. Blues shuffles or walking bass reinforce the trance-like rhythm and form a repetitive effect known as the groove.  - Pop music is a genre of popular music that originated in its modern form in the Western world as a softer alternative to rock and roll. The terms "popular music" and "pop music" are often used interchangeably, although the former describes all music that is popular and includes many styles. "Pop" and "rock" were synonymous terms until the late 1960s, when they were increasingly used in opposition from each other.  - "Candle in the Wind 1997" is a song by Elton John, a re-written and re-recorded version of his 1973 song "Candle in the Wind". It was released on 13 September 1997 as a tribute single to the late Diana, Princess of Wales, with the global proceeds from the song going towards Diana's charities. In many countries, it was pressed as a double A-side with "Something About the Way You Look Tonight". It was produced by Sir George Martin.  - Top 40 is a music industry shorthand for the currently most-popular songs in a particular genre. When used without qualification it refers to the best-selling or most frequently broadcast popular music. The term is derived from record music charts, a few of which traditionally consist of a total of 40 songs. Top 40 is also an alternative term for the radio format of such music, also known as Contemporary hit radio.    Given the information, choose the subject and object entities that have the relation of 'genre'.
Answer:
a song for you , pop