Question: Are Joey Tempest and Aaron Lewis both considered American musicians?

Context articles: Hero (Europe song)
Aaron Lewis
Joey Tempest
John Levén
New Love in Town
Europe (band)
Seven Doors Hotel
Joey Tempest (album)
Reggie Young
Mic Michaeli

"Hero" is a 2004 single released by the Swedish heavy metal band Europe.
 It was released on September 20, 2004, as the second single from the band's album "Start from the Dark".
 The song was written by vocalist Joey Tempest as a tribute to Phil Lynott, the frontman of the Irish hard rock band Thin Lizzy, and was inspired by a meeting between Tempest and Lynott.
Aaron Lewis (born April 13, 1972) is an American musician and songwriter, who is the lead vocalist, rhythm guitarist, and founding member of the rock band Staind, with whom he has released seven studio albums.
 He has since ventured into country music with his debut solo EP "Town Line", which was released on March 1, 2011 on Stroudavarious Records.
 Lewis' first full-length solo release, "The Road", was released by Blaster Records on November 13, 2012.
Rolf Magnus Joakim Larsson (born 19 August 1963), better known as Joey Tempest, is a Swedish singer, lead singer, and main songwriter of the rock band Europe.
 He has written hits which include "The Final Countdown", "Rock the Night", "Cherokee" and "Superstitious".
John Gunnar Levén (born 25 October 1963 in Stockholm, Sweden) is the bassist in the Swedish rock band Europe.
 Levén and vocalist Joey Tempest are the only band members who have performed on all of Europe's studio albums.
"New Love in Town" is a hard rock ballad, that was the second single released from the Swedish heavy metal band Europe's eighth studio album, "Last Look at Eden".
 The single was released as a digital download on 3 September 2009.
 It was written about Joey Tempest's son's birth.
Europe is a Swedish rock band formed in Upplands Väsby, by vocalist Joey Tempest, guitarist John Norum, bass guitarist Peter Olsson, and drummer Tony Reno.
 They got a major breakthrough in Sweden in 1982 by winning the televised competition ""Rock-SM"" (Swedish Rock Championships) It was the first time this competition was held, and Europe became a larger success than the competition itself.
 As heavy-metal musicians they could play their instruments far better than any of their fellow competitors and their victory in the final was far from unanticipated (the competition was held in several stages).
 The competition continued for some years longer, but never reached any other heights.
"Seven Doors Hotel", written by Joey Tempest, was the first single released from the Swedish heavy metal band Europe's self-titled debut album.
 It was a big hit in Japan, reaching the Top 10.
 It was one of the first songs he ever wrote.
Joey Tempest is the third solo album by Joey Tempest, the vocalist in the Swedish hard rock band Europe.
 It was released on October 21, 2002.
Reggie Young (born December 12, 1936) is an American musician who was lead guitarist in the American Sound Studios Band (a.k.a. The Memphis Boys), and is a leading session musician.
 He played on various recordings with artists such as Elvis Presley, B.J. Thomas, John Prine, Dusty Springfield, Herbie Mann, J.J. Cale, Dionne Warwick, Roy Hamilton, Willie Nelson, Waylon Jennings, the Box Tops, Johnny Cash, Jerry Lee Lewis, Merle Haggard, Joey Tempest and George Strait.
Gunnar Mathias "Mic" Michaeli (born 11 November 1962 in Upplands Väsby, Sweden) is the keyboardist in the Swedish rock band Europe.
 Like many of the other Europe members he grew up in Stockholm suburb Upplands Väsby.
 He joined the band for their "Wings of Tomorrow" tour in 1984, taking vocalist Joey Tempest's place behind the keyboards.