Question: What is the name of the singer-songwriter who recorded a cover of Britney Spears' hit, "Toxic"?

<P0-S0> Sad Britney is the third EP from American singer-songwriter Christopher Dallman. <P0-S1>  It was released on November 9, 2009 by Beauteous Bird Records. <P0-S2>  After hearing Dallman's cover of Britney Spears's "Gimme More", producer Rachel Alina suggested releasing an EP of Spears's songs to bring attention to his music. <P0-S3>  The EP also included covers of "Radar", "Toxic" and "... Baby One More Time". <P0-S4>  All the songs were recorded during the first day of the recording of his second EP, "Never Was". <P0-S5>  The EP became Dallman's first record to chart on iTunes. <P0-S6>  His music video for "Gimme More" received attention from Spears's fans who misenterpreted his message and thought he was parodying her, which he denied. <SEP> <P1-S0> "Toxic" is a song recorded by American singer Britney Spears for her fourth studio album "In the Zone" (2003). <P1-S1>  It was written and produced by Christian Karlsson and Pontus Winnberg (known collectively as Bloodshy & Avant), with additional writing from Cathy Dennis and Henrik Jonback. <P1-S2>  The song released on January 13, 2004, by Jive Records, as the second single from "In the Zone". <P1-S3>  The song was originally offered to Kylie Minogue for her ninth studio album "Body Language" (2003), but she rejected it. <P1-S4>  After trying to choose between "(I Got That) Boom Boom" and "Outrageous" to be the second single from "In the Zone", Spears selected "Toxic" instead. <P1-S5>  A dance song with elements of bhangra music, "Toxic" features varied instrumentation, such as drums, synthesizers and surf guitar. <P1-S6>  It is accompanied by high-pitched Bollywood strings, sampled from Lata Mangeshkar and S. P. Balasubrahmanyam's "Tere Mere Beech Mein" (1981), and breathy vocals. <P1-S7>  Its lyrics draw an extended metaphor of a lover as a dangerous yet addictive drug. <P1-S8>  The song has received acclaim from music critics, deeming it the strongest track of "In the Zone", and praised its hook and chorus. <P1-S9>  "Toxic" won Spears her first and only Grammy Award at the 2005 ceremony in the category of Best Dance Recording. <SEP> <P2-S0> Britney Spears: In the Zone is the fifth video release by American recording artist Britney Spears. <P2-S1>  Released by Jive Records on April 6, 2004, it accompanied the album of the same name. <P2-S2>  The DVD contains her ABC concert special "Britney Spears: In the Zone", as well as footage from live performances to promote the album. <P2-S3>  It also includes the music videos for "Me Against the Music" and "Toxic" and their respective episodes of "Making the Video", as well as unreleased material, such as several new tracks. <SEP> <P3-S0> Simon Ellis is a producer and musical director who has worked with Britney Spears, the Spice Girls, Westlife, S Club 7 and East 17. <P3-S1>  He co-wrote and produced the S Club 7 hits "Don't Stop Movin'", "Two in a Million", "Never Had a Dream Come True" and "Alive". <P3-S2>  "Don't Stop Moving" won the Brit Award for Best British Single and the ITV record of the year award in 2001. <P3-S3>  During 2008, Ellis was appointed the role of musical director for Britney Spears's The Circus Starring Britney Spears tour in Australia & New Zealand. <P3-S4>  During 2011 Ellis was musical director for Spears's Femme Fatale Tour.