Question: Radha Jayalakshmi and the Priya sisters were both duo's in what music style? 

Passages:
Pomplamoose is an American musical duo which features Californian multi-instrumentalists Jack Conte and Nataly Dawn.  The duo formed in the summer of 2008 and sold approximately 100,000 songs online in 2009.  They are known for their diverse music style, which the pair themselves refuse to label. Meren(gue)house/Merenrap is a hip hop music style formed by blending Dominican merengue music with rap, dancehall reggae and hip hop.  The group Proyecto Uno pioneered the genre.  Merenhouse usually combines a rap style of singing (talk-singing) with actual singing.  It has instruments that are typically in merengue music, such as saxophones, trumpets, accordion, bass, guitar, güira, tambora (drum).  However, they can be combined with electronic sounds or even electronic sounds sampled from the actual instruments (musch like house music).  Sampling music means to take a sample or portion of a sound recording to reuse it in a song.  Merenhouse is very upbeat for dancing, like house music.  It is hard to identify merenhouse based on its time signature and rhythm alone.  Some merenhouse music is in a fast 2/4 beat and has typical merengue style rhythms.  Some also is in a slower 4/4 beat, identifying more with the hip hop style.  Merenhouse can be characterized mostly by the instruments/electronics used and the combination of vocal styles. Night by Night is a UK-based melodic rock band founded in 2008 by Ben Christo (guitarist of The Sisters Of Mercy) and Jonny Thornton.  The band’s music style is that of a modern take on the classic 80’s bands such as Def Leppard with its dual guitars and three-part vocal harmonies. Shanmukhapriya and Haripriya (Telugu: షణ్ముఖప్రియ, హరిప్రియ ), popularly known as the Priya Sisters, are eminent Carnatic music singers. Soolamangalam Jayalakshmi (Tamil: சூலமங்கலம் ஜெயலட்சுமி ) and Soolamangalam Rajalakshmi (Tamil: சூலமங்கலம் ராஜலட்சுமி ), popularly known as Soolamangalam Sisters (Tamil: சூலமங்கலம் சகோதரிகள் ) were Carnatic music sister-pair vocalists and musicians known for their devotional songs in Tamil.  They were early singers in the trend of duo singing in Carnatic music, which started in the 1950s, with performers like Radha Jayalakshmi, and later continued by Bombay Sisters, Ranjani-Gayatri, Mambalam Sisters, Bangalore Sisters and Priya Sisters Yomil y el Dany is a Billboard Latin Music Award nominated Cuban duo composed of Roberto Hidalgo and Daniel Muñoz.  They are among the pioneers of the music genre trapton, which is a new, evolved music style, stemming from reggaeton.  This new sound combines hip hop, rap, electronic trap, dancehall, and elements of son music (traditional Cuban music) within its reggaeton base. Chagrin d’amour is a French pop duo, often cited as the ones who recorded the first French hip hop album.  In 1982, they released “Chacun fait ce qui lui plait,” a recording of songs all performed in French with obvious influences by the rap music style.  The album gained instant success in the country and sold over 3 million copies.  Chagrin d’amour’s songs with simple rhymes and rap techniques caused many amateur music artists to become interested in the hip-hop style. Radha and Jayalakshmi, popularly known as Radha Jayalakshmi (Tamil: ராதா ஜெயலட்சுமி ), were Indian Carnatic music vocalist duo as well as playback singers in films in the 1940s and 1950s, before they became music teachers.  The person who does the playback singing is Jayalakshmi but was named as Radha Jayalakshmi in the cine field.  Actually, Radha was her cousin and singing partner on the stage performances.  They were early singers in the trend of duo singing in Carnatic music, which started in the 1950s, with performers like Soolamangalam Sisters, and later continued by Bombay Sisters, Ranjani-Gayatri and Priya Sisters. Música sertaneja (] ) or Sertanejo (] ) is a music style that had its origins in the countryside of Brazil in the 1920s.  It is the most popular music style in Brazil, particularly throughout the southern/southeastern and center-western countryside Brazil.  Subgenres include "sertanejo de raiz", "sertanejo romântico", and "sertanejo universitário". The Shillelagh Sisters were a UK female group composed of Jacquie O'Sullivan (vocals), Lynder Halpin (double bass), Patricia "Trisha" O'Flynn (saxophone) and Maria "Mitzi" Ryan (drums).  Their music style was a mixture of rockabilly and punk rock, influenced by Halpin and O'Sullivan's boyfriends, who were, respectively, Boz Boorer (guitarist) and Phil Bloomberg (bassist), both of the rockabilly group The Polecats.

Supporting sentences:
Radha and Jayalakshmi, popularly known as Radha Jayalakshmi (Tamil: ராதா ஜெயலட்சுமி ), were Indian Carnatic music vocalist duo as well as playback singers in films in the 1940s and 1950s, before they became music teachers.  Actually, Radha was her cousin and singing partner on the stage performances. Shanmukhapriya and Haripriya (Telugu: షణ్ముఖప్రియ, హరిప్రియ ), popularly known as the Priya Sisters, are eminent Carnatic music singers.