Overdubbing (the process of making an overdub, or overdubs) is a technique used by recording studios to add a supplementary recorded sound to a previously recorded performance.

Tracking (or "laying the basic tracks") of the rhythm section (usually including drums) to a song, then following with overdubs (solo instruments, such as keyboards or guitar, then finally vocals), has been the standard technique for recording popular music since the early 1960s.

Overdubs can be made for a variety of reasons. One of the most obvious is for convenience; for example, if a bass guitarist is temporarily unavailable, the recording can be made and the bass track added later. Similarly, if only one or two guitarists are available, but a song calls for multiple guitar parts, a guitarist can play both lead and rhythm guitar (For example, System of a Down's "Chop Suey!" or Deep Purple's "Smoke on the Water", where it would have been impossible for the guitarists to play the solos on electric guitars and riffs on rhythm guitars simultaneously). Singers who also play an instrument find overdubbing a convenience, since it allows them to focus on one role at a time.

Robin Hood was a heroic outlaw in English folklore. A highly skilled archer and swordsman, he is known for "robbing from the rich and giving to the poor", assisted by a group of fellow outlaws known as his "Merry Men". Traditionally, Robin Hood and his men are depicted wearing Lincoln green clothes. The origin of the legend is claimed by some to have stemmed from actual outlaws, or from ballads or tales of outlaws.

Robin Hood became a popular folk figure in the medieval period continuing through to modern literature, films and television. In the earliest sources, Robin Hood is a yeoman, but he was often later portrayed as an aristocrat wrongfully dispossessed of his lands and made into an outlaw by an unscrupulous sheriff.

In popular culture, Robin Hood and his band of "merry men" are usually portrayed as living in Sherwood Forest, in Nottinghamshire, where much of the action in the early ballads takes place. So does the very first recorded Robin Hood rhyme, four lines from the early 15th century, beginning: "Robyn hode in scherewode stod." However, the overall picture from the surviving early ballads and other early references suggest that Robin Hood may have been based in the Barnsdale area of what is now South Yorkshire (which borders Nottinghamshire).

Andy Samuel Griffith (born June 1, 1926) is an American actor, director, producer, Grammy Award-winning Southern-gospel singer, and writer. He gained prominence in the starring role in director Elia Kazan's epic film, A Face in the Crowd (1957) before he became better known for his television roles, playing the lead characters in the 1960–68 situation comedy, The Andy Griffith Show, and in the 1986–95 legal drama, Matlock. Griffith was awarded the Presidential Medal of Freedom by US President George W. Bush on November 9, 2005.

Griffith was born in Mount Airy, North Carolina, the only child of Geneva (née Nunn) and Carl Lee Griffith. At a very young age, Griffith had to live with relatives until his parents could afford to get a home of their own. Without a crib or a bed, he slept in drawers for a few months. In 1929, when Griffith was three years old, his father took a job working as a carpenter and was finally able to purchase a home in Mount Airy's "blue-collar" southside.

Like his mother, Griffith grew up listening to music. His father instilled a sense of humor from old family stories. By the time he entered school he was well aware that he was from what many considered the "wrong side of the tracks". He was a shy student, but once he found a way to make his peers laugh, he began to come out of his shell and come into his own.

David Warren "Dave" Brubeck (born December 6, 1920) is an American jazz pianist. He has written a number of jazz standards, including "In Your Own Sweet Way" and "The Duke". Brubeck's style ranges from refined to bombastic, reflecting his mother's attempts at classical training and his improvisational skills. His music is known for employing unusual time signatures, and superimposing contrasting rhythms, meters, and tonalities.

His long-time musical partner, alto saxophonist Paul Desmond, wrote the Dave Brubeck Quartet's best remembered piece, "Take Five", which is in 5/4 time and has endured as a jazz classic on the top-selling jazz album, Time Out. Brubeck experimented with time signatures throughout his career, recording "Pick Up Sticks" in 6/4, "Unsquare Dance" in 7/4, and "Blue Rondo à la Turk" in 9/8. He is also a respected composer of orchestral and sacred music, and wrote soundtracks for television such as Mr. Broadway and the animated mini-series This Is America, Charlie Brown.

Brubeck was born in Concord, California and grew up in Ione. He is of English (maternal), Swiss and possibly Native American Modoc Tribe multi-ethnic (paternal) ancestry His father, Howard "Pete" Brubeck, was a cattle rancher, and his mother, Elizabeth (née Ivey), who had studied piano in England under Myra Hess and intended to become a concert pianist, taught piano for extra money. Brubeck originally did not intend to become a musician (his two older brothers, Henry and Howard, were already on that track), but took lessons from his mother. He could not read sheet music during these early lessons, attributing this difficulty to poor eyesight, but "faked" his way through, well enough that this deficiency went mostly unnoticed.

Ralph Bakshi (born October 29, 1938) is an American director of animated and live-action films. In the 1970s, he established an alternative to mainstream animation through independent and adult-oriented productions. Between 1972 and 1992, he directed nine theatrically released feature films, five of which he wrote. He has been involved in numerous television projects as director, writer, producer and animator.

Beginning his career at the Terrytoons television cartoon studio as a cel polisher, Bakshi was eventually promoted to director. He moved to the animation division of Paramount Pictures in 1967 and started his own studio, Bakshi Productions, in 1968. Through producer Steve Krantz, Bakshi made his debut feature film, Fritz the Cat, released in 1972. It was the first animated film to receive an X rating from the Motion Picture Association of America, and the most successful independent animated feature of all time.

Over the next eleven years, Bakshi directed seven additional animated features. He is well known for such films as Wizards (1977), The Lord of the Rings (1978), American Pop (1981) and Fire and Ice (1983). In 1987, Bakshi returned to television work, producing the series Mighty Mouse: The New Adventures, which ran for two years before it was canceled due to complaints from a conservative political group over perceived drug references. After a nine-year hiatus from feature films, he directed Cool World (1992), which was largely rewritten during production and received poor reviews. Bakshi returned to television with the live-action film Cool and the Crazy (1994) and the anthology series Spicy City (1997).