RCA Records additionally recognised Wash as the "principal voice" on Dreamland and insisted that Black Box's producers were the cause of her "discrimination". Wash eventually signed an eight-year contract with the record label to record eight individual albums, in addition to a financed national tour. Wash sued the Black Box members in September 1990 for false advertising and uncredited vocals, but was settled out-of-court in December 1990. RCA Records initially believed that the vocals in Black Box's music belonged to Quinol, who was seen in the group's promotional material.
On 21 November 1990, several consumer class action lawsuits were issued in the Los Angeles Federal District Court relating to Milli Vanilli and Black Box. Black Box's record label RCA Records continuously stated that Quinol was the lead vocalist of each song, in response to publications such as Billboard and The New York Times insisting that another singer appeared on the album. However, she was not credited on the album's liner notes as French fashion model Katrin Quinol was brought in to phonetically learn the songs on Dreamland for seven months despite not knowing the English language, and made several appearances as part of the group. Wash recorded vocals for the songs in a five-day period, which were kept in six of nine songs from the group's debut studio album Dreamland (1990).
In 1989, Martha Wash was approached by Black Box, then known as Groove Groove Melody, to record demos for other musicians in exchange for a flat fee payment. 3 Commercial performance and music video.An accompanying music video was released in 1990, which depicts Katrin Quinol lip synching the song in a unitard. The song peaked at number eight on the US Billboard Hot 100, number 10 on the New Zealand Singles Chart, and at number 16 on the UK Singles Chart. "Everybody Everybody" received generally positive reviews from music critics, who praised the production and vocals. The house, pop, and eurodisco song consists of an organ, horns and strings, and contains a sample of Larry Blackmon's vocals. It was released by RCA Records as the third single from the album. The song was written by Daniele Davoli, Mirko Limoni, and Valerico Semplici, while produced by Groove Groove Melody.
Wash was replaced by French model Katrin Quinol as the credited vocalist who made several appearances with Black Box, which led Wash to file a lawsuit against the group. " Everybody Everybody" is a song by the Italian house group Black Box, with uncredited vocals by American singer Martha Wash, from their debut studio album, Dreamland (1990).