Question: Are Max Carl and Tairrie B. both American singers?

Context articles: Tairrie B
Soul Searchin' (Glenn Frey album)
Vintage Curses
Ghosts and Good Stories
Tura Satana (band)
My Ruin
Bardeux
Max Carl Wilhelm Weber
Power of a Woman (Tairrie B album)
Max Carl

Tairrie B (born Theresa Beth; January 18, 1965 in Anaheim, California) is an American singer and rapper.
Soul Searchin' is the third solo studio album by Glenn Frey, the guitarist and co-lead vocalist for the Eagles.
 The album was released in mid 1988 on MCA in the United States and the United Kingdom, four years after Frey's successful album, "The Allnighter" and eight years after the demise of the Eagles.
 The album features eight original songs co-written by Frey with Jack Tempchin and the song "Two Hearts" contributed by Frey's friend, Hawk Wolinski.
 The album also features contributions from fellow Eagles member Timothy B. Schmit, Max Carl, Robbie Buchanan, Michael Landau, and Bruce Gaitsch.
Vintage Curses is the third studio album by American rapper Tairrie B, released August 14, 2015 as a free download via her official bandcamp page.
 The album marked her return to rap music after a hiatus of more than 20 years spent fronting heavy metal bands Tura Satana, Manhole and My Ruin.
Ghosts and Good Stories is the sixth studio album by the Los Angeles-based metal band My Ruin, released on 20 September 2010.
 The album marked 10 years for the husband and wife duo Tairrie B Murphy and Mick Murphy making music together as My Ruin.
 The album received favorable reviews.
Tura Satana was an American metal band named after cult actress Tura Satana.
 The band started in the early 1990s under the name Manhole.
 Due to legal reasons they changed it after the release of their first album 'All Is Not Well'.
 While the music was brutal and powerful, the lyrics of the first album were strongly influenced by singer Tairrie B's hardships as a woman having dealt with a dysfunctional family and violence.
My Ruin is an American Los Angeles-based alternative metal band, composed of the husband and wife duo Tairrie B and Mick Murphy.
 The band has been through various line-up changes since its formation in 1999.
 Its fanbase is mostly in the UK.
 Its sound consists of passionate vocals set against heavy rock beats.
 Vocalist Tairrie B Murphy has cultivated a reputation both on and off the stage for her aggressive performances and acerbic vocal style.
 Over the decade since the band's formation, the sound has evolved and become heavier with each record, with Mick Murphy’s guitar playing becoming a prominent feature along with his solos and riffs.
Bardeux is a dance duo from the 1980s.
 The group was formed in 1986 and consisted of Stacy "Acacia" Smith and Tairrie B.
 The group's first single "Three Time Lover", went to #10 on Billboard's Hot Dance Singles Sales chart.
 Tairrie B left the group to pursue a solo career and was replaced by Lisa "Jaz" Teaney.
 In 1988 the group released their album "Bold as Love" and their second single "Magic Carpet Ride".
 The single went to #5 on Billboard's Hot Dance Singles Sales chart and #81 on the "Billboard" Hot 100.
 The group performed the song on Club MTV.
 "When We Kiss", the third single from the album, would turn out to be the group's biggest hit going all the way to #36 on the Billboard Hot 100.
 The fourth single released from the album, "Bleeding Heart", was a top 40 hit on the Billboard's Hot Dance Singles Sales chart.
 A fifth and last single release from that album, "Hold Me, Hold Me" did not chart.
Max Carl Wilhelm Weber van Bosse or Max Wilhelm Carl Weber (5 December 1852, in Bonn – 7 February 1937, in Eerbeek) was a German-Dutch zoologist and biogeographer.
Power of a Woman is the debut album by white female rapper, Tairrie B.
 The album was released in 1990 for Ruthless Records and distributed through MCA Records and was mostly produced by Tairrie B, with guest stars such as Schoolly D, Bilal Bashir & Greg Kuehn lending their talents to more than a few tracks.
 Despite gaining rather favorable reviews, it did not manage to chart on Billboard; however, two singles ("Murder She Wrote" & "Swingin' Wit' T) placed themselves at numbers 27 & 28 respectively, on the Hot Rap Singles chart.
Max Carl Gronenthal (born January 29, 1950) is an American rock singer, keyboardist, guitarist and songwriter.
 He is the current co-lead singer of the classic rock band Grand Funk Railroad.
 In addition, he spent several years as the keyboardist and lead singer for the southern rock band 38 Special, for whom he co-wrote and sang lead on the hit song "Second Chance".