Question: Were both Kenny Greene and Ross Lynch American singers?

Context articles: My Love (Mary J. Blige song)
Love No Limit
You Don't Have to Worry (Mary J. Blige song)
Ross Lynch
Intro (R&amp;B group)
Ross Sisters
Kenny Greene
Reminisce (song)
My Friend Dahmer (film)
Dark Side (R5 song)

"My Love" is a song by American R&B singer Mary J. Blige from her 1992 debut album "What's the 411?
" The song was co-written by singer-songwriter Kenny Greene and Dave Hall, who served as the song's original producer.
"Love No Limit" is a song by American recording artist Mary J. Blige.
 It was co-written by Kenny Greene and Dave Hall for her debut album, "What's the 411?
" (1992), with the latter serving as the song's producer.
 Released as the album's fourth and final single, the song became a top five hit, reaching number-five on the R&B singles chart, and peaked at number forty-four on the US "Billboard" Hot 100 chart.
"You Don't Have to Worry" is a song by American R&B recording artist Mary J. Blige.
 The song was written for her by Kenny Greene, Edward Ferrell, Darrin Whittington and Kevin Kornegay, and is produced by former Bad Boy rapper Craig Mack for the soundtrack of the film "Who's the Man?
" (1993).
 The song contains an uncredited portion of the 1988 hip-hop cut, "The Vapors" as performed by American beat-boxer/rapper Biz Markie, which in turn samples the 1974 number-one R&B hit, "Papa Don't Take No Mess", as performed by James Brown.
 The original version appears on the film's soundtrack.
 This version performed modestly on the US "Billboard" Hot 100, peaking at number sixty-three, and reaching number eleven on the R&B singles chart.
 It is one out of two singles to be released on the soundtrack (the other being "Party and Bullshit" by The Notorious B.I.G.).
Ross Shor Lynch (born December 29, 1995) is an American singer, songwriter, and actor.
 He is one of the founding members of the pop rock band R5.
 As an actor, he is known for his debut role as Austin Moon on the Disney Channel original series "Austin & Ally", and for his role as Brady in the "Teen Beach Movie" series.
 Lynch is also starring in a new horror/thriller movie called "My Friend Dahmer," where he plays the role of Jeffrey Dahmer in his teenage years.
 The movie is set to debut in the fall of 2017.
Intro is an American R&B trio from Brooklyn, New York City, New York.
 The trio consisted of members Jeff Sanders, Clinton "Buddy" Wike and lead singer/songwriter Kenny Greene.
 Intro released two albums (for Atlantic Records): 1993's "Intro" and their second album, 1995's "New Life".
 The group had a string of US hits in the 1990s.
 The hits included the singles "Let Me Be The One", the Stevie Wonder cover "Ribbon in the Sky", "Funny How Time Flies" and their highest charting hit, "Come Inside".
 Greene died from complications of AIDS in 2001, which led to the group's disbanding.
The Ross Sisters were a trio of American singers and dancers comprising Betsy Ann Ross (1926–1996), Veda Victoria "Vicki" Ross (1927–2002), and Dixie Jewell Ross (1929–1963), who used the stage names Aggie, Maggie, and Elmira.
 They performed as a three-part harmony trio, who also danced and have become particularly noted for their acrobatics and contortionism.
 Their careers peaked during the 1940s, when they featured prominently in the 1944 film "Broadway Rhythm", footage from which appeared in the 1994 compilation film "That's Entertainment!
 III", and later online.
Kenny Greene (January 17, 1969 – October 1, 2001) was an American singer-songwriter who was also a member of the R&B group Intro.
"Reminisce" is a song by American recording artist Mary J. Blige from her debut album, "What's the 411?
".
 The song was co-written by Kenny Greene and Dave "Jam" Hall, the song's producer.
 The song contains a sample of "Stop, Look, Listen" by American rapper MC Lyte.
 It peaked at number fifty-seven on the "Billboard" Hot 100 and number six on the Hot R&B/Hip-Hop Songs chart.
 A more uptempo and hip hop-inspired remix of the song, featuring duo Pete Rock & CL Smooth, later appeared on Blige's 1993 remix album of the same name.
My Friend Dahmer is a 2017 American biographical drama film written and directed by Marc Meyers about the American serial killer Jeffrey Dahmer.
 It is based on the 2012 graphic novel of the same name by cartoonist John "Derf" Backderf, who had been friends with Dahmer in high school in the 1970s, soon before Dahmer began his killing spree.
 The film stars Ross Lynch, Alex Wolff, Dallas Roberts, and Anne Heche.
"Dark Side" is a song by American pop rock band R5.
 It was released on February 1, 2016 as the fifth single from "Sometime Last Night".
 It was written by Ross Lynch, Riker Lynch, Rocky Lynch and Ellington Ratliff, and produced by Rocky and Matt Wallace.