[1] Their diversity of regional backgrounds enabled them to create a unique sound to their music.
In 1988, their album The Forest Is Crying, produced by Joe Boyd was released.
[1] As part of the Bulgarian State Television Female Vocal Choir, they appeared on the album Le Mystère des Voix Bulgares, Volume Two,[1] which won a Grammy Award in 1989.
[2][3] In 1989 they were featured on The Sensual World album by Kate Bush,[1] on the songs "Deeper Understanding", "Never Be Mine", and "Rocket's Tail".
"I've never worked with women on such an intense creative level," Bush told the Los Angeles Times in January 1990, "and it was something strange to feel this very strong female energy in the studio.