Question: Are Jeff Buckley and Vampire Weekend both American?

Context paragraphs:
Vampire Weekend (album): Vampire Weekend is the debut studio album by the American indie rock band Vampire Weekend, released in January 2008 on XL Recordings.  The album was produced by band member Rostam Batmanglij, with mixing assistance from Jeff Curtin and Shane Stoneback.

Ariel Rechtshaid: Ariel Rechtshaid (born March 23, 1979) is an American record producer, audio engineer, mixing engineer, multi-instrumentalist, and songwriter.  His production, songwriting, and mixing credits include Brandon Flowers, HAIM, Vampire Weekend, Madonna, Tobias Jesso Jr., Usher, Adele, Cass McCombs, Solange Knowles, Murs, Sky Ferreira, We Are Scientists, Kylie Minogue, Glasser, Alex Clare, and Major Lazer.  Rechtshaid co-wrote and produced Usher's 2012 single, "Climax", which won the 2013 Grammy Award for Best R&B Performance.  Rechtshaid was nominated for the 2014 Grammy Award for Producer of the Year and won a Grammy for his production on the Vampire Weekend album "Modern Vampires of the City".  He also produced the "Billboard" Hot 100 No. 1-charting single "Hey There Delilah" by the Plain White T's in 2007.  Rechtshaid is the former lead singer and guitarist of the ska/pop-punk band The Hippos and the bassist and producer of indie folk-rock group Foreign Born.

Amazing Grace: Jeff Buckley: Amazing Grace: Jeff Buckley is an hour-long documentary film that celebrates the legacy of the late musician Jeff Buckley with specific attention given to fans he inspired.  The film was officially sanctioned by Jeff's mother and estate.  It is not a biography, but a tribute.

Mojo Pin: "Mojo Pin" is the first song on Jeff Buckley's 1994 album "Grace".  It was written by Jeff Buckley and Gary Lucas, and was first introduced on his EP, "Live at Sin-é".  Buckley stated that the song was about a dream of a black woman.  Through a wash of bizarre images, the lyrics convey a feeling of addiction, either to drugs or a person.  In Jeff's words, "Sometimes if somebody you feel you need... the whole universe tells you that you have to have her, you start watching her favorite TV shows all night, you start buying her the things she needs, you start drinking her drinks, you start smoking her bad cigarettes, you start picking up her nuances in her voice, you sleep in safe sometimes the most dangerous thing... this is called Mojo Pin."  (Astoria, London, UK, 18/01/95)

Jeff Buckley Live À L'Olympia: Live À L'Olympia is a live album by Jeff Buckley, released in 2001 (see 2001 in music).  It is the second posthumous live album released since his death in 1997.  The CD consists of performances taken from two separate concerts Buckley and his band played on July 6/7 1995 at Paris Olympia.  The French crowd were very receptive as he was well regarded there, as shown when he was awarded France's prestigious "Grand Prix International Du Disque" earlier that year.  Buckley paused midway in some of the songs to address the crowd and "Hallelujah" features ad-libbed lyrics in response to their enthusiasm.  The album also features a version of a song from Nina Simone's repertoire, "That's All I Ask".  It is one of two versions of the song officially released, the other appearing on a three-track bonus disc issued with Australian copies of Buckley's Mystery White Boy live album.  Buckley played the song at various concerts on his 1995 European tour.

So Real: Songs from Jeff Buckley: So Real: Songs from Jeff Buckley is a 'best of' compilation album of Jeff Buckley material, released on May 22, 2007.

Dream Brother: The Songs of Tim and Jeff Buckley: Dream Brother: The Songs of Tim and Jeff Buckley is a studio album performed by various artists in tribute to 1960s musician Tim Buckley, and his son, also a musician, Jeff Buckley.  Both father and son died prematurely, Tim Buckley of an overdose and Jeff Buckley in a drowning accident.

Vampire Weekend: Vampire Weekend is an American rock band from New York City, formed in 2006.  They are currently signed to XL Recordings.  The band consists of lead vocalist and guitarist Ezra Koenig, drummer and percussionist Chris Tomson and bassist and backing vocalist Chris Baio.  The band's first album "Vampire Weekend" (2008) – which included the singles "Mansard Roof", "A-Punk", "Oxford Comma", "Cape Cod Kwassa Kwassa" and "The Kids Don't Stand a Chance" – was acclaimed by critics for its world music influences.  Their following album, "Contra" (2010), was similarly acclaimed and garnered strong commercial success.  Their third studio album, "Modern Vampires of the City" (2013), won the group a Grammy Award for Best Alternative Music Album in 2014.

Jeff Buckley: Jeffrey Scott "Jeff" Buckley (November 17, 1966 – May 29, 1997), raised as Scott Moorhead, was an American singer-songwriter and guitarist.  After a decade as a session guitarist in Los Angeles, Buckley amassed a following in the early 1990s by playing cover songs at venues in Manhattan's East Village, such as Sin-é, gradually focusing more on his own material.  After rebuffing much interest from record labels and his father Tim Buckley's manager Herb Cohen, he signed with Columbia, recruited a band, and recorded what would be his only studio album, "Grace", in 1994.  In 2004, "Rolling Stone Magazine" listed him at number 39 on their list of greatest singers of all time. .  In the December 2013 Mojo, Grace was named the 12th best album of the magazine's 20-year lifetime.

Parker Kindred: Parker Kindred is an American drummer who played in the band of Jeff Buckley, appearing on his unfinished second album, "Sketches for My Sweetheart the Drunk" in 1997, as well as playing live with Buckley and the rest of his band at Arlene's Grocery on February 9, 1997.  Kindred was introduced to Buckley through Mick Grøndahl, then Buckley's bassist, as a replacement for previous drummer Matt Johnson.  After Buckley's death Kindred continued to work with the other band members on other projects in New York City.  Kindred, with Michael Tighe and Buckley's then-girlfriend, Joan Wasser, formed Black Beetle.  Shortly after Wasser embarked on a solo career and the band split up.  However Tighe and Kindred continued to play together and later went on to form The A.M. with bassist Andrew Wyatt.  Their debut self-titled LP was released in 2003 by Storm Music.

Supporting paragraphs: Jeff Buckley Vampire Weekend
Answer: yes