Question: Stevie Nicks and Tairrie B, are Americans of which musical occupation?

Context articles: Beauty and the Beast (Stevie Nicks song)
Stevie Nicks
Crystal Visions – The Very Best of Stevie Nicks
Power of a Woman (Tairrie B album)
Timespace: The Best of Stevie Nicks
Tairrie B
Stop Draggin' My Heart Around
My Ruin
Sandy Stewart (musician)
Bardeux

"Beauty and the Beast" is a song by the American singer-songwriter Stevie Nicks.
 It is the final track on her second album "The Wild Heart", released in 1983.
 It was later released in a live version from Nicks 1986 "Rock a Little" tour as a B-side to the UK single "Whole Lotta Trouble" in October 1989.
 It also appears on two compilations: "Timespace – The Best of Stevie Nicks", released in 1991, and the boxset, "Enchanted", released in 1998.
 A new studio version appears on her album, "The Soundstage Sessions", released in 2009.
Stephanie Lynn Nicks (born May 26, 1948) is an American singer-songwriter who is often referred to as the Queen of Rock and Roll.
Crystal Visions... The Very Best of Stevie Nicks is a compilation album released by the American singer-songwriter and Fleetwood Mac vocalist Stevie Nicks.
 It features songs from her solo career, as well as her career with Fleetwood Mac.
 It includes her hit singles, a dance remix, and one new track, a live version of Led Zeppelin's "Rock and Roll".
 Three singles were culled from the album: "Rock and Roll", "Landslide", and a remixed version of "Stand Back".
 There are two versions of this album, one with just the audio CD and another version with an included DVD featuring all of Nicks' music videos with audio commentary from Nicks, as well as rare footage from the "Bella Donna" recording sessions.
 The album debuted and peaked at #21 in the US selling 33,944 copies in its first week.
 The album spent a total of 12 weeks on the "Billboard" 200 chart, and had sold 505,000 copies as of April 2014.
 The album is certified gold in Australia and Silver in the UK.
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.
Timespace – The Best of Stevie Nicks is a 1991 compilation album featuring songs from the solo career of American singer/songwriter and Fleetwood Mac vocalist Stevie Nicks.
 The album features many of her hit singles, along with three new songs: "Sometimes It's a Bitch", "Love's a Hard Game to Play", and "Desert Angel" (which Nicks wrote for the men and women serving in the 1991 Gulf War).
 The CD booklet contains notes written by Nicks herself about the making of each song.
Tairrie B (born Theresa Beth; January 18, 1965 in Anaheim, California) is an American singer and rapper.
"Stop Draggin' My Heart Around" was the first single from Stevie Nicks' debut solo album, "Bella Donna" (1981).
 The track is the album's only song that was neither written nor co-written by Nicks.
 Written by Tom Petty and Mike Campbell as a Tom Petty and the Heartbreakers song, Jimmy Iovine, who was also working for Stevie Nicks at the time, arranged for her to sing on it.
 Petty sang with Nicks in the chorus and bridge, while his entire band (save Ron Blair, whose bass track was played by Donald "Duck" Dunn instead) played on the song.
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.
Sandy Stewart (born on January 13, 1958 in San Francisco) is a songwriter, singer and keyboardist from Houston, Texas, USA.
 She is mostly known for her album "Cat Dancer", and her association with Fleetwood Mac vocalist and solo act Stevie Nicks.
 Sandy's first single, "Saddest Victory" was released in 1983.
 Its video played on MTV for several weeks, but the song never charted.
 Sandy and Stevie Nicks also sang a duet for the song "I Pretend", which also was featured on "Cat Dancer".
 A 12" single was also released to promote "Cat Dancer".
 The single featured a large close-up photo of Sandy on its album cover.
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.