Q:Information:  - David Van Cortlandt Crosby (born August 14, 1941) is an American singer-songwriter. In addition to his solo career, he was a founding member of both the Byrds and Crosby, Stills & Nash.  - RKS (originally known as RKS Design) is an American industrial design consultancy founded in 1980 by Ravi Sawhney. Notable designs include the original Teddy Ruxpin, the Panaflex Millennium, and the RKS Guitar, which was the featured on the July 4, 2005 cover of Business Week.  - Sir James Paul McCartney, (born 18 June 1942) is an English singer-songwriter, multi-instrumentalist, and composer. With John Lennon, George Harrison, and Ringo Starr, he gained worldwide fame with the rock band the Beatles, largely considered the most popular and influential group in the history of pop music. His songwriting partnership with Lennon is the most celebrated of the post-war era. After the band's break-up, he pursued a solo career and formed the band Wings with his first wife, Linda, and Denny Laine.  - James Marshall "Jimi" Hendrix (born Johnny Allen Hendrix; November 27, 1942  September 18, 1970) was an American rock guitarist, singer, and songwriter. Although his mainstream career spanned only four years, he is widely regarded as one of the most influential electric guitarists in the history of popular music, and one of the most celebrated musicians of the 20th century. The Rock and Roll Hall of Fame describes him as "arguably the greatest instrumentalist in the history of rock music".  - Cass Elliot (born Ellen Naomi Cohen; September 19, 1941  July 29, 1974), also known as Mama Cass, was an American singer and actress, best known as a member of The Mamas & the Papas. After the group broke up, she released five solo albums. In 1998, Elliot, John Phillips, Denny Doherty, and Michelle Phillips were inducted into the Rock and Roll Hall of Fame for their work as The Mamas & the Papas.  - The Rolling Stones are an English rock band formed in London in 1962. The original line-up consisted of Brian Jones (rhythm guitar, harmonica), Mick Jagger (lead vocals), Keith Richards (lead guitar, backing vocals), Ian Stewart (piano), Bill Wyman (bass) and Charlie Watts (drums). Stewart was removed from the official line-up in 1963 but continued as a touring member until his death in 1985. Jones left the band less than a month prior to his death in 1969, having already been replaced by Mick Taylor, who remained until 1974. After Taylor left the band, Ronnie Wood took his place in 1975 and has been on guitar in tandem with Richards ever since. Following Wyman's departure in 1993, Darryl Jones joined as their touring bassist. Other touring keyboardists for the band have been Nicky Hopkins (196782), Billy Preston (through the mid 1970s) and Chuck Leavell (1982-present). The band was first led by Jones, but after teaming as the band's songwriters, Jagger and Richards assumed leadership while Jones dealt with legal and personal troubles.  - Classic hits is a radio format which generally includes rock and pop music from 1964 to 1988 or 1989, with occasional songs as recent as the early 1990s or before 1995. The term is erroneously used as a synonym for the adult hits format (which uses a slightly newer music library stretching from the 1970s through the 1990s), but is more accurately characterized as a contemporary style of the oldies format, although most classic hits stations focus on pop hits from the late 1960s through the 1990s.  - Teddy Ruxpin is an animatronic children's toy in the form of a talking bear. The bear's mouth and eyes moved while "reading" stories that were played on an audio tape cassette deck built into its back. It was created by Ken Forsse with later assistance by Larry Larsen and John Davies, and the first version of the toy was designed by the firm RKS Design. Later versions would use a digital cartridge in place of a cassette. At the peak of his popularity, Teddy Ruxpin became the best-selling toy of 1985 and 1986, and the newest version was awarded the 2006 Animated Interactive Plush Toy of the Year by "Creative Child Magazine". A cartoon based on the characters debuted in 1987.  - Graham William Nash, OBE (born 2 February 1942) is an English singer-songwriter and musician. He is known for his light tenor voice and for his songwriting contributions as a member of the English pop group The Hollies and the folk-rock supergroup Crosby, Stills & Nash. Nash became an American citizen on 14 August 1978 and holds dual citizenship of the United Kingdom and United States.  - Ravi Kumar Sawhney is an American industrial designer . He is the founder and CEO of RKS Design , co-founder ( with Dave Mason ) of RKS Guitars , and Chairperson of the IDSA / Business Week Catalyst Case Study Program .  - George Harrison, (25 February 1943  29 November 2001) was an English guitarist, singer, songwriter, and music and film producer who achieved international fame as the lead guitarist of the Beatles. Often referred to as "the quiet Beatle", Harrison embraced Hindu mythology and helped broaden the horizons of his fellow Beatles as well as their Western audience by incorporating Indian instrumentation in their music. Although most of the Beatles' songs were written by John Lennon and Paul McCartney, most Beatles albums from 1965 onwards contained at least two Harrison compositions. His songs for the group included "Taxman", "Within You Without You", "While My Guitar Gently Weeps", "Here Comes the Sun" and "Something", the last of which became the Beatles' second-most covered song.  - John Robert "Joe" Cocker, OBE (20 May 1944  22 December 2014) was a British rock singer and musician. He was known for his gritty voice, spasmodic body movement in performance and definitive versions of popular songs.  - Worcester is a city in Worcestershire, England, southwest of Birmingham and north of Gloucester. The population is approximately 100,000. The River Severn flanks the western side of the city centre, which is overlooked by the 12th-century Worcester Cathedral.  - David Thomas "Dave" Mason (born 10 May 1946) is an English singer-songwriter and guitarist from Worcester, who first found fame with the rock band Traffic. Over the course of his career, Mason has played and recorded with many notable pop and rock musicians, including Paul McCartney, George Harrison, the Rolling Stones, Jimi Hendrix, Eric Clapton, Michael Jackson, David Crosby, Graham Nash, Steve Winwood, Fleetwood Mac, Delaney & Bonnie, and Cass Elliot. One of Mason's best known songs is "Feelin' Alright", recorded by Traffic in 1968 and later by many other performers, including Joe Cocker, whose version of the song was a hit in 1969. For Traffic, he also wrote "Hole in My Shoe", a psychedelic pop song that became a hit in its own right. "We Just Disagree", Mason's 1977 solo US hit, written by Jim Krueger, has become a staple of US Classic Hits and Adult Contemporary radio playlists.  - Eric Patrick Clapton, (born 1945), is an English rock and blues guitarist, singer, and songwriter. He is the only three-time inductee to the Rock and Roll Hall of Fame: once as a solo artist and separately as a member of the Yardbirds and Cream. Clapton has been referred to as one of the most important and influential guitarists of all time. Clapton ranked second in "Rolling Stone" magazine's list of the "100 Greatest Guitarists of All Time" and fourth in Gibson's "Top 50 Guitarists of All Time". He was also named number five in "Time" magazine's list of "The 10 Best Electric Guitar Players" in 2009.  - Fleetwood Mac are a British-American rock band, formed in London in 1967. The band has sold more than 100 million records worldwide, making them one of the best-selling bands of all time. In 1998, selected members of Fleetwood Mac were inducted into the Rock and Roll Hall of Fame, and received the Brit Award for Outstanding Contribution to Music.  - Stephen Lawrence "Steve" Winwood (born 12 May 1948) is an English musician whose genres include rock, blue-eyed soul, rhythm and blues, blues rock, pop rock, and jazz. Though primarily a vocalist and keyboardist, Winwood also plays bass guitar, drums, acoustic and electric guitar, mandolin, violin, and other strings.  - Michael Joseph Jackson (August 29, 1958  June 25, 2009) was an American singer, songwriter, record producer, dancer, actor, and philanthropist. Called the "King of Pop", his contributions to music, dance, and fashion along with his publicized personal life made him a global figure in popular culture for over four decades.  - "Hole in My Shoe" is a song by English rock band Traffic which as a single release reached number 2 in the UK Singles Chart and number 22 in the German charts, in 1967. Composed by guitarist Dave Mason, it was disliked by the other three members of the group who felt that it did not represent the band's musical or lyrical style.    What entity does 'ravi sawhney' has the relation 'date of birth' with?
A:
1964