Problem: 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". Born in Seattle, Washington, Hendrix began playing guitar at the age of 15.

Jimi Hendrix had a diverse heritage. His paternal grandmother, Zenora "Nora" Rose Moore, was African American and one-quarter Cherokee. Hendrix's paternal grandfather, Bertran Philander Ross Hendrix (born 1866), was born out of an extramarital affair between a woman named Fanny, and a grain merchant from Urbana, Ohio, or Illinois, one of the wealthiest men in the area at that time. After Hendrix and Moore relocated to Vancouver, Canada, had a son they named James Allen Ross Hendrix on June 10, 1919; the family called him "Al". In 1941 after moving to Seattle, Al met Lucille Jeter (1925-1958) at a dance; they married on March 31, 1942. Lucille's father (Jimi's maternal grandfather) was Preston Jeter (born 1875), whose mother was born in similar circumstances as Bertran Philander Ross Hendrix. Lucille's mother, nee Clarice Lawson, had African American and Cherokee ancestors. Al, who had been drafted by the U.S. Army to serve in World War II, left to begin his basic training three days after the wedding. Johnny Allen Hendrix was born on November 27, 1942, in Seattle; he was the first of Lucille's five children. In 1946, Johnny's parents changed his name to James Marshall Hendrix, in honor of Al and his late brother Leon Marshall. Stationed in Alabama at the time of Hendrix's birth, Al was denied the standard military furlough afforded servicemen for childbirth; his commanding officer placed him in the stockade to prevent him from going AWOL to see his infant son in Seattle. He spent two months locked up without trial, and while in the stockade received a telegram announcing his son's birth. During Al's three-year absence, Lucille struggled to raise their son. When Al was away, Hendrix was mostly cared for by family members and friends, especially Lucille's sister Delores Hall and her friend Dorothy Harding. Al received an honorable discharge from the U.S. Army on September 1, 1945. Two months later, unable to find Lucille, Al went to the Berkeley, California, home of a family friend named Mrs. Champ, who had taken care of and had attempted to adopt Hendrix; this is where Al saw his son for the first time. After returning from service, Al reunited with Lucille, but his inability to find steady work left the family impoverished. They both struggled with alcohol, and often fought when intoxicated. The violence sometimes drove Hendrix to withdraw and hide in a closet in their home. His relationship with his brother Leon (born 1948) was close but precarious; with Leon in and out of foster care, they lived with an almost constant threat of fraternal separation. In addition to Leon, Hendrix had three younger siblings: Joseph, born in 1949, Kathy in 1950, and Pamela, 1951, all of whom Al and Lucille gave up to foster care and adoption. The family frequently moved, staying in cheap hotels and apartments around Seattle. On occasion, family members would take Hendrix to Vancouver to stay at his grandmother's. A shy and sensitive boy, he was deeply affected by his life experiences. In later years, he confided to a girlfriend that he had been the victim of sexual abuse by a man in uniform. On December 17, 1951, when Hendrix was nine years old, his parents divorced; the court granted Al custody of him and Leon.

Was he finally able to find them?

Answer with quotes: home of a family friend named Mrs. Champ, who had taken care of and had attempted to adopt Hendrix; this is where Al saw his son for the first time.

Problem: A musical ensemble, also known as a music group or musical group, is a group of people who perform instrumental or vocal music, with the ensemble typically known by a distinct name. Some music ensembles consist solely of instruments, such as the jazz quartet or the orchestra. Some music ensembles consist solely of singers, such as choirs and doo wop groups. In both popular music and classical music, there are ensembles in which both instrumentalists and singers perform, such as the rock band or the Baroque chamber group for basso continuo (harpsichord and cello) and one or more singers.

The four-piece band is the most common configuration in rock and pop music. Another common formation was a vocalist, electric guitarist, bass guitarist, and a drummer (e.g. The Who, The Monkees, Led Zeppelin, Queen, Ramones, Sex Pistols, Red Hot Chili Peppers, R.E.M., Blur, The Smiths, Echo and the Bunnymen, The Stone Roses, Creed, Black Sabbath, Van Halen, Rage Against the Machine, Gym Class Heroes, The Stooges, Joy Division, and U2.) Instrumentally, these bands can be considered as trios. This format is popular with new bands, as there are only two instruments that need tuning, the melody and chords formula prevalent with their material is easy to learn, four members are commonplace to work with, the roles are clearly defined and generally are: instrumental melody line, rhythm section which plays the chords or countermelody, and vocals on top. In some early rock bands, keyboardists were used, performing on piano (e.g. The Seeds and The Doors) with a guitarist, singer, drummer and keyboardist. Some bands will have a guitarist, bassist, drummer, and keyboard player (for example, Talking Heads, Gerry and the Pacemakers, Small Faces, King Crimson, The Guess Who, Pink Floyd, Queen, Coldplay, The Killers and Blind Faith). Some bands will have the bassist on lead vocals, such as Thin Lizzy, The Chameleons, Skillet, Pink Floyd, Motorhead, NOFX, +44, Slayer, The All-American Rejects or even the lead guitarist, such as Death, Dire Straits, Megadeth and Creedence Clearwater Revival. Some bands, such as The Beatles, have a lead guitarist, a rhythm guitarist and a bassist that all sing lead and backing vocals, that also play keyboards regularly, as well as a drummer.

who are some examples of a four part band?

Answer with quotes:
The Who, The Monkees, Led Zeppelin, Queen, Ramones, Sex Pistols, Red Hot Chili Peppers, R.E.M., Blur, The Smiths,