Key Liza (born Kisita-Elisabeth Massamba; December 11, 1989) also known as The Queen Of Beats is an Afro-German singer, rapper, composer, musician and dancer and best known for being a member of German R&B group Sistanova.
Kisita was born on December 11, 1989 in Hanau, Germany. Both of her parents are from the Democratic Republic of Congo and Angola. At the age of four she moved with her family to Frankfurt am Main. In 2001 she started getting piano, singing, dancing & theater lessons at school & gospel choir and also started beatboxing in the school recess and malls where she discovered her passion to create music instrumentals Hip Hop Beats. Kisita's musical inspiration are Michael Jackson, Janet Jackson, Eve, TLC, Bone Thugs n Harmony and 2Pac Shakur. 
2004–07: Warner Music, On Tour with Rihanna
Kisita knows one bandmate since childhood and they were close friends. In a school club they sang, took jazz dance lessons and composed their own music. In 2004, they met the third member and created the group Black Supremes. The band went on to regional competitions and recorded demos. In 2005 they met the production team Noizemakers, which took the Black Supremes under the new name Sistanova under contract. In 2006, the band was signed to Warner Music Group (Germany). On September 21, 2007 they released their first single "Was ist los?" which entered the German Charts. The video premiere was on VIVA Germany.    In November 2007 they were the opening act for Barbadian recording artist Rihanna for her European Good Girl Gone Bad Tour in (Munich/Zenith, Cologne/Palladium, Frankfurt/Jahrhunderthalle, Berlin/Columbiahalle) Germany.    In the same time they was on tour with the group Rapsoul throughout Germany. Kisita and her bandmates join the NRJ Music Tour in Stuttgart with Craig David, Monrose, Culcha Candela & The Boss Hoss and they performed infront of 12.000 People. 
2008–10: Warner Music, album release
In 2008 they wrote and composed the ballad Mama for the Mother's Day, to which a video was shot . They also sang the theme song for the children's book The HelleWecks with Thomas Anders from the popular pop-duo Modern Talking.  In Spring 2008 Kisita and her bandmates composed songs for their debut album and worked with several producers like Chris Applegate (Jennifer Rush), Andreas Herbig (Culcha Candela), Remee//Toelsen (Monrose), Marcus Brosch (Brandy Norwood, Nick Carter, Enrique Iglesias) and Michelle Leonard.  During the recordings of the debut album they performed with four-time Breakdance World Champions Flying Steps at the Tuning World Messe Bodensee and present their second single "Sexy Girl". they also got a contract for the German Playboy Magazine to promote their second single "Sexy Girl". But family members didn't agreed with that and the contract with Playboy was cancelled.
On December 8, 2008 they released their debut album Unglaublich.    In 2010 they were in the German Cinema Movie Homies with actor & singer Jimi Blue Ochsenknecht.The band broke up in late 2010. According to their MySpace page, all band members will go on a solo career.
In 2011 Kisita aka Key Liza was composing, producing and DJing songs and beats for artists & radio shows. She moved in 2013 to Vancouver, Canada and is currently pursuing her solo singing career and working on her debut album. Her music is a crossover between Dancehall, Reggae Fusion, R&B, Trap Hip-Hop and EDM.
- Sistanova on RTL 2 Televison | youtube.com
- Sistanova "Was ist Los" | youtube.com
- Good Girl Gone Bad Tour
- Sistanova on tour with Rihanna | youtube.com
- Sistanova "Mama" | youtube.com
- Thomas Anders
- Michelle Leonard