Question: Power Balladz, is a live comedy performance featuring a mixture of comedy, trivia, and iconic rock n' roll songs from the 70s, 80s & 90s, the comedy's musical blend includes songs by Heart, a rock band that first found success in Canada and later in the United States and worldwide, are of which nationality ?

full_context: Document 1: List of Heart band members: Heart is an American rock band that first found success in Canada and later in the United States and worldwide. Over the group's four-decade history it has had three primary lineups, with the constant center of the group since 1974 being sisters Ann Wilson (lead singer) and Nancy Wilson (guitarist). While it has been referred to as a duo because of the focus on leaders Ann and Nancy Wilson, Heart is a full rock group. In its original lineup the band had six members, then five in its second incarnation, and is again at six currently.
Document 2: Power Balladz: Power Balladz is a live comedy performance featuring a mixture of comedy, trivia, and iconic rock n' roll songs from the 70s, 80s & 90s for which it is also named. Created by Mike Todaro and Dan Nycklemoe with Peter Rothstein, Power Balladz began its initial theatrical run at the LAB Theatre in Minneapolis and then made its New York debut on August 5, 2010 with an opening night of August 19, 2010. The comedy's musical blend includes songs by Journey, Queen, Scorpions, Poison, Aerosmith, Bon Jovi, Night Ranger, Styx, Heart, and more.
Document 3: Live at Jive: Live at Jive a DVD/CD combination of an overage show played by Peter Combe at JIVE in Adelaide, on 6 April 2008. The album features most of Combe's most popular children's songs from the late 80s and early 90s, including Toffee Apple, Juicy Juicy Green Grass, Mr. Clicketty Cane, Spaghetti Bolognaise and several others.
Document 4: Join Together (album): Join Together is a box set of live material released from The Who's 1989 25th Anniversary Tour. Several of the tracks were recorded at Radio City Music Hall, New York, and at Universal Amphitheater, Los Angeles, with the rest from various other concerts during the tour. The live rendition of "Tommy" was compiled from two charity shows on 27 June at New York City's Radio City Music Hall(*) and on 24 August at the Universal Amphitheatre in Los Angeles(**) (see marked in the track list below). Songs from the second part of the album originated from 6 concerts (verified by comparison with audience recordings from the tour): "A Little Is Enough" and "Won't Get Fooled Again" come from Pontiac, MI, 25 July; "Eminence Front" and "5.15" - Raleigh, NC, 27 July; "Rough Boys" - Tampa, FL, 29 July; "Trick of the Light" - Vancouver, BC, 19 August; "Face the Face", "Join Together" and "You Better You Bet" come from the show on 22 August at Jack Murphy Stadium in San Diego; "", "I Can See for Miles", "Love Reign O'er Me" and "Behind Blue Eyes" come from the show at the Universal Amphitheatre in Los Angeles on 24 August 1989.
Document 5: Restless Heart discography: Restless Heart is an American country music band founded in 1984 by John Dittrich, Paul Gregg, Dave Innis, Greg Jennings, and Larry Stewart. Active from 1984 to 1994, in 1998, and from 2002 onward, the band has recorded seven studio albums and two greatest hits albums. Its second through fifth studio albums — "Wheels", "Big Dreams in a Small Town", "Fast Movin' Train", and "Big Iron Horses" — have all been certified gold by the Recording Industry Association of America (RIAA).
Document 6: Heart (band): Heart is an American rock band that first found success in Canada and later in the United States and worldwide. Over the group's four-decade history, it has had three primary lineups, with the constant center of the group since 1973 being sisters Ann Wilson (lead singer) and Nancy Wilson (guitarist). Heart rose to fame in the mid-1970s with music influenced by hard rock and heavy metal, as well as folk music. Their popularity declined in the early 1980s, but the band enjoyed a comeback starting in 1985 and experienced even greater success with album-oriented rock hits and hard-rock ballads into the 1990s.
Document 7: Live at Planet Rock Xmas Party: "Live at Planet Rock Xmas Party" is the first of a planned series of 'official bootlegs' by Northern Irish rock band The Answer. It was recorded live at the Islington Academy in London on 11 December 2007 for the radio station Planet Rock. During the concert Paul Rodgers joined the band on stage to sing two songs, "I'm a Mover" and "The Hunter", from his former band Free's debut album "Tons of Sobs" with the group.
Document 8: Ballads, Blues &amp; Stories: Ballads, Blues & Stories is a unique storytellers music CD from Bret Michaels, the lead singer of the rock band Poison. Released in 2001 it consists of Bret Michaels' solo music and Poison songs, with a recorded story before each song, about how the songs were created and written.
Document 9: Restless Heart: Restless Heart is an American country music band established in 1984. The band's longest-lasting lineup has consisted of Larry Stewart (lead vocals), John Dittrich (drums, background vocals), Paul Gregg (bass guitar, background vocals), Dave Innis (piano, keyboards, rhythm guitar, background vocals), and Greg Jennings (lead guitar, mandolin, background vocals). Verlon Thompson was the band's original lead singer, but he was replaced by Stewart before the band signed to RCA Records Nashville. Stewart departed for a solo career in 1992; during this time, Innis, Gregg, and Dittrich alternated as lead vocalists, until Innis also left. The band was on hiatus from 1994 to 1998. During this hiatus, Dittrich briefly recorded as one-third of The Buffalo Club, and Jennings joined Vince Gill's road band. Stewart, Gregg, Dittrich, and Jennings reunited briefly in 1998 to record new material for a greatest hits album; they, along with Innis, reunited again in 2004, and this lineup has remained ever since.
Document 10: Winger (band): Winger are an American rock band that has combined elements of glam metal and progressive metal. Formed in New York City, Winger gained popularity during the late 1980s and early 1990s. The band's two platinum albums, "Winger" and "In the Heart of the Young", along with charting singles "Seventeen", "Headed for a Heartbreak" and "Miles Away", put the band on the top of the charts by the early 1990s. In 1990, the band was nominated for an American Music Award for "Best New Heavy Metal Band". As the music scene changed in the early to mid-1990s due to the popularity of grunge, the band faded after their third release "Pull".
Document 11: Ann Wilson: Ann Dustin Wilson (born June 19, 1950) is an American musician, best known as the lead singer and songwriter of the hard rock band Heart. Wilson was listed as one of the "Top Heavy Metal Vocalists of All Time" by "Hit Parader" magazine in 2006. Wilson has a dramatic soprano vocal range.
Document 12: Magic Man: "Magic Man" is a song by the American rock band Heart. The single was released in Canada in June of 1975, and in America in 1976, as the second single from the band's debut album, "Dreamboat Annie." Written and composed by Ann and Nancy Wilson, the song is sung from the viewpoint of a young girl who is being seduced by an older man (referred to as a Magic Man), much to the chagrin of her mother, who calls and begs the girl to come home. In an interview, Ann Wilson revealed that the "Magic Man" was her then boyfriend, band manager Michael Fisher, and that part of the song was an autobiographical tale of the beginnings of their relationship.
Document 13: Home Tonight: "Home Tonight" is a power ballad by American hard rock band Aerosmith. Written by lead singer Steven Tyler, the song is a ballad and is the last track on Aerosmith's hard rock album "Rocks". It was released as the second single from "Rocks" in 1976 and reached #71 on the "Billboard" Hot 100.
Document 14: Rock the House Live!: Rock the House Live! is a live album released by the American hard rock band Heart in 1991. Was recorded at The Centrum, Worcester, MA, USA on November 28, 1990. The band performed a set of 22 songs (including "The Way Back Machine" guitar solo by Howard Leese); but only 14 were used on the album, missing most of their recent successful singles "These Dreams", "Never", "Alone", "What About Love", "All I Wanna Do Is Make Love to You" and their classic "Crazy on You", trying to demonstrate that Heart wasn't a band of ballad hits, but instead an arena rock staple. Instead of filling the album either with their early hard rock hits or their later pop ones, it is instead composed of less familiar songs from recent albums (six from "Brigade", one from "Bad Animals", two from "Heart" and one from "Passionworks"), it marked a sharp decline in sales after a period of success that began in 1985 with the release of the self-titled "Heart".
Document 15: Hard Rock Live (album): Hard Rock Live is a live album and DVD, and Blu-ray by the English hard rock band Bad Company released in 2010. It was recorded at the Hard Rock Live in Hollywood, Florida on August 8, 2008. This album was recorded during the band's 2008 reunion tour which marked the first time original members Paul Rodgers, Mick Ralphs and Simon Kirke had performed together since their brief reunion in 1999.
ground_truth: American