Question: What country of origin does Alex Wolff and Michael Wolff have in common?

Context paragraphs:
Throwbacks (The Naked Brothers Band album): Throwbacks is the final album recorded by Nat & Alex Wolff under the name "The Naked Brothers Band" and the soundtrack to the third and final season of the show of the same name.  Under the working title "Songs of Season 3," due to post-production problems, it was originally cancelled, until it was announced on September 19, 2013 to be released as a Nat & Alex Wolff album instead of a Naked Brothers Band album on October 15, 2013, under the title Throwbacks.  One song that was recorded for the intended Season 3 soundtrack, "Face in the Hall", which later appeared in the "iCarly" soundtrack, will not be in the Throwbacks album.

Alex Wolff: Alexander "Alex" Draper Wolff (born November 1, 1997) is an American actor, musician, and composer.  He first gained recognition for starring alongside his older brother Nat in the Nickelodeon musical comedy television series "The Naked Brothers Band" (2007–09), which was created by the boys' mother Polly Draper.  Wolff and his brother released two soundtrack albums for the series, "The Naked Brothers Band" and "I Don't Want to Go to School", which were co-produced by their father Michael Wolff.

The Naked Brothers Band: The Movie: The Naked Brothers Band is a 2005 American children's film written and directed by Polly Draper, which stars her sons, Nat Wolff and Alex Wolff, who portray members of a fictional rock group.  It tells of the boys' struggles with their fame and an internal dispute that causes the band to split before reuniting in the end.  The musical comedy was emboldened by Nat's genuine band, The Silver Boulders, which he created in preschool with his friends who all portray themselves.  The movie also includes the band's manager, Nat's faux female interest, the siblings' real life cousin as the group's babysitter, and the siblings' genuine father playing their inept accordion-playing dad.

Polar Bears (film): Polar Bears is a 2008 Nickelodeon television movie written and directed by Polly Draper which stars her musical prodigious sons Nat Wolff and Alex Wolff, real life brothers who portray themselves.  It tells of the siblings' who, along with their bandmates, take a ride on their tour bus to New Orleans, Louisiana.  The plot chronicles around Alex's obsession to save the polar bears by preserving the environment, as well as a conflict in which Rosalina is suspicious of Nat when he becomes very close to his childhood friend, "Little" Grace.

Michael Wolff: Michael Blieden Wolff (born July 31, 1952) is an American jazz pianist.  In the 1980s, he was bandleader for the "Arsenio Hall Show".  He was also the music director for jazz singer Nancy Wilson.

List of The Naked Brothers Band episodes: "The Naked Brothers Band" is an American musical comedy television series created by Polly Draper for Nickelodeon.  The show depicts the daily lives of Draper's sons, who lead a fictional world-renowned rock band in New York City.  As a mockumentary, the storyline is an embellishment of their real lives, and the fictional presence of a camera is often acknowledged.  It stars Nat Wolff and Alex Wolff, the lead singer-songwriter, and drummer, respectively.  Nat's fictional female admirer and real life preschool friends—including the guitarist who had no prior acquaintance with the family—feature as the other band members, with the siblings' father and Draper's husband as their accordion-playing dad and Draper's niece as the group's babysitter.

The Naked Brothers Band (TV series): The Naked Brothers Band is an American musical comedy television series created by Polly Draper for Nickelodeon.  The show depicts the daily lives of Draper's sons, who lead a fictional world-renowned rock band in New York City.  As a mockumentary, the storyline is an embellishment of their real lives, and the fictional presence of a camera is often acknowledged.  It stars Nat Wolff and Alex Wolff, the lead singer-songwriter, and drummer, respectively.  Nat's fictional female admirer and real life friends—including the guitarist who had no prior acquaintance with the family—feature as the other band members, with the siblings' father and Draper's husband as their inept accordion-playing dad, and Draper's niece as the group's babysitter.

Burn Rate: "Burn Rate: How I Survived the Gold Rush Years on the Internet", by Michael Wolff is the account of Wolff's dotcom company, Wolff New Media, in 1997.

Nat and Alex Wolff: Nat and Alex Wolff are an American pop music duo from New York, New York, consisting of brothers Nat and Alex Wolff.  The siblings are known for their work on the Nickelodeon television series "The Naked Brothers Band", which was created and produced by their mother, actress Polly Draper.  It was adapted from the mockumentary film that Draper wrote and directed.  The duo's initial teen pop boy band called "The Naked Brothers Band" was depicted as part of its participation in their Nickelodeon series that aired from 2007 to 2009.  They have released four full-length albums and have been nominated for several awards.

Nat Wolff: Nathaniel Marvin "Nat" Wolff (born December 17, 1994) is an American actor, singer-songwriter, and musician.  Wolff gained recognition for composing the music for "The Naked Brothers Band" (2007–09), a Nickelodeon television series he starred in with his younger brother Alex that was created by their actress mother Polly Draper.  Wolff's jazz pianist father Michael Wolff co-produced the series' soundtrack albums, "The Naked Brothers Band" (2007) and "I Don't Want to Go to School" (2008); the former of which ranked the 23rd spot on the "Billboard" 200 charts.

Supporting paragraphs: Alex Wolff Michael Wolff
Answer: American