Question: The artist Mathangi "Maya" arulpragasm's song Bad Girls once appeared on what free online mixtape?

Related documents: [0]  [DOC] Mathangi "Maya" Arulpragasam (born 18 July 1975), better known by her stage name M.I.A., is a British rapper, singer-songwriter, record producer, and activist. She is of Sri Lankan Tamil origin. "M.I.A." is a play on her own name and a reference to the abbreviation of Missing in Action. Her compositions combine elements of alternative, dance, electronic, hip hop and world music. M.I.A. began her career in 2000 as a visual artist, filmmaker and designer in west London before beginning her recording career in 2002. Since rising to prominence in early 2004 for her singles "Sunshowers" and "Galang", charting in Canada and the UK and reaching number 11 on the "Billboard" Hot Dance Singles Sales in the US, she has been nominated for an Academy Award, three Grammy Awards and the Mercury Prize. [END] 
[1]  [DOC] "Bad Girls" is a song by British recording artist M.I.A. for her fourth studio album, "Matangi" (2013). The song is written by Maya "M.I.A." Arulpragasam, Marcella Araica and Floyd Nathaniel "Danja" Hills, and produced by Danja. The song, her first release following her departure from XL Recordings in 2011, was self-released worldwide under exclusive license to Interscope Records in the US on 31 January 2012. A shorter version of the song appeared on "Vicki Leekx" (2010), a free online mixtape on 31 December 2010. "Bad Girls" was released as a digital download a day after its world premiere on radio and online. [END]  
Answer: Vicki Leekx
Vicki Leekx