Trio Bulgarka is a Bulgaria

Bulgaria

Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

n vocal ensemble.

They gained international prominence through their contributions to the groundbreaking 1975 world music

World music

World music is a term with widely varying definitions, often encompassing music which is primarily identified as another genre. This is evidenced by world music definitions such as "all of the music in the world" or "somebody else's local music"...

 album Balkana: The music of Bulgaria, originally released on the now defunct Hannibal label.

The trio comprises Stoyanka Boneva from Pirin

Pirin

The Pirin Mountains are a mountain range in southwestern Bulgaria, with Vihren the highest peak, situated at . The range extends about 40 km northwest-southeast, and about 25 km wide. Most of the range is protected in the Pirin National Park...

, Yanka Rupkina from Strandja and Eva Georgieva from Dobroudja. Their diversity of regional backgrounds enabled them to create a unique sound to their music. They signed to record labels Bulgaria Balkanton and Hannibal in 1987. Two years later they featured on The Sensual World

The Sensual World

-Personnel:*Haydn Bendall: engineer*Andrew Boland: engineer*Stoyanka Boneva: vocals*Kate Bush: piano, keyboards, vocals, background vocals, producer*Paddy Bush: mandolin, background vocals, valiha, whip, tupan*Clare Connors: violin...

album by Kate Bush

Kate Bush

Kate Bush is an English singer-songwriter, musician and record producer. Her eclectic musical style and idiosyncratic vocal style have made her one of the United Kingdom's most successful solo female performers of the past 30 years.In 1978, at the age of 19, Bush topped the UK Singles Chart...

 on the songs "Deeper Understanding", "Never Be Mine", and "Rocket's Tail". In 1993 they appeared on another Kate Bush album, The Red Shoes

The Red Shoes (album)

-Personnel:*Jeff Beck: Guitar*Haydn Bendall: Engineer*Gary Brooker: Hammond Organ*Kate Bush: Bass, Guitar, Piano, Arranger, Composer, Keyboards, vocals, Producer, Fender Rhodes...

, in the songs "You're the One", "The Song of Solomon", and "Why Should I Love You?", which also featured Prince

Prince (musician)

Prince Rogers Nelson , often known simply as Prince, is an American singer, songwriter, musician, and actor. Prince has produced ten platinum albums and thirty Top 40 singles during his career. Prince founded his own recording studio and label; writing, self-producing and playing most, or all, of...

. The trio have since concentrated on solo projects but often re-form for concert appearances.