Question: Marié Digby an American singer, and songwriter, known for her acoustic cover version of which Rihanna song?
Context: Marié Christina Digby ( , born April 16, 1983) is an American singer, songwriter, guitarist, and pianist.  She is known for her acoustic cover version of Rihanna's "Umbrella", which was posted on YouTube in 2007 (and has since been viewed over 22 million times).  The song was subsequently played on the radio station STAR 98.7, was featured on the highly rated third season opening episode of the MTV show "The Hills", and peaked at #10 on the Bubbling Under Hot 100 Singles chart.  Digby performed the song on the late night talk show "Last Call with Carson Daly" on August 2, 2007.  Since then, Digby has released several studio albums, EPs and singles, including one Japanese cover album.  Her fifth and latest studio album "Winter Fields" was released on 29 Oct 2013.  On 16 August 2014, Marié released "Chimera", a 3 track EP. Breathing Underwater is the third album and second international studio album by American singer Marié Digby.  It was released in Japan on June 24, 2009 and was released on September 7, 2009 on Amazon and on September 15, 2009 in the US and worldwide. "Old Flames (Can't Hold a Candle to You)" is a country song written by singer-songwriter Pebe Sebert and Hugh Moffatt.  It was a number 14 U.S. country hit for Joe Sun in 1978, and a number 86 hit for Brian Collins the same year.  It was later covered by Dolly Parton, who took it to the top of the U.S. country singles charts in August 1980. .  Parton included her version on her 1980 "Dolly, Dolly, Dolly" album, and it was released as the album's second single after the success of "Starting Over Again".  In 2013, Sebert's daughter, Kesha, released an acoustic cover of the song as part of her extended play "Deconstructed".  A new version featuring Parton is on a track of Kesha's 2017 album "Rainbow". "Umbrella" is a song by Barbadian singer Rihanna from her third studio album "Good Girl Gone Bad" (2007).  It features American rapper Jay-Z, who co-wrote the song with its producers Tricky Stewart and Kuk Harrell, with additional writing from The-Dream.  The song was originally written with Britney Spears in mind, but her label rejected it.  "Umbrella" is a pop, hip hop and R&B song referring to a romantic and platonic relationship and the strength of that relationship. Unfold is the debut solo album by singer/songwriter Marié Digby.  The album features the singles "Umbrella" (a cover of the Rihanna hit), "Say It Again" and "Stupid for You", and was released on April 8, 2008 in the United States via Hollywood Records.  The album debuted at #29 on the Billboard 200 with 18,000 copies sold in its first week. "Hanging On" is a song by American singer and songwriter Active Child from his debut studio album, "You Are All I See" (2011).  It was written by Active Child and Ariel Rechtshaid, and produced by Rechtshaid.  The song's music video, directed by T.S. Pfeffer and Robert McHugh, debuted on January 19, 2012.  English singer Ellie Goulding covered "Hanging On" in 2012, while Australian alternative rock band Something for Kate included an acoustic cover of the song as a bonus track on the two-disc special edition of their 2012 album "Leave Your Soul to Science". Launched is the second album from German hardcore punk band, Beatsteaks.  It was released in March, 2000 on Epitaph Records and follows the band's debut release "48/49" in 1997 on XNO Records.  The album contains an interesting half acoustic cover version of a song by heavy metal band, Manowar, "Kings of Metal".  The band stayed with Epitaph Records for their next release, "Living Targets", in 2002. The discography of Loona, a Dutch recording artist, consists of 7 studio albums, three compilation albums, two extended plays, 37 singles, including 12 as featured artist, 8 promotional singles, and 42 music videos, including 12 as featured artist.  Loona was first featured on numeous of singles by DJ Sammy under the artist name Carisma.  The first release as Loona was the debut studio album Lunita in 1999, preceded by the massive chart hits "Bailando", a Paradisio cover version, and the Mecano classic "Hijo de la Luna", both released in 1998.  This success was followed with the sophomore release "Entre dos aguas" in 2000, preceded by the controversial single release "Mamboleo", a cover version of Herbert Grönemeyer's song "Mambo", which has been removed on later pressings.  The albums "Colors", "Wind of Time", "Moonrise" and "Rakatakata (Un Rayo de Sol)" followed in 2002, 2005, 2008 and 2013 respectively.  In 2014, Loona released her first single "Ademloos door de Nacht" under her real name Marie-José van der Kolk, a Dutch language cover version of German singer Helene Fischer's single "Atemlos durch die Nacht", from her upcoming studio album. "I'm Over You" is a song written by Tim Nichols and Zack Turner, and recorded by American country music artist Keith Whitley.  It was posthumously released in January 1990 as the third single from the album "I Wonder Do You Think of Me".  The song reached number 3 on the "Billboard" Hot Country Singles & Tracks chart.  In 2010, country artist Chris Young released an acoustic cover version on his Voices EP. "Australia" is a song by Australian rock band Gyroscope, from the album "Breed Obsession".  It was released as the third single from their highly successful album, which peaked at number one on the Australian Albums Chart.  The song was released to radio in May 2008, and was released as a CD single and digital download on 14 June 2008, along with two acoustic pieces.  One of those being a live acoustic version of "Australia", the other a live acoustic cover of Chris Isaak's "Wicked Game".
Answer: Umbrella