question: Who sang the singles "State of Grace" and "Begin Again"?
answer: Taylor Swift
context: Title: Riccardo Massi
  Passage: Riccardo Massi is an Italian operatic tenor who had performed at such Italian theatres as both the Giuseppe Verdi Theatre and La Scala.  He became known for his role as Mario Cavaradossi in "Tosca" which he performed in autumn of 2011 at the Bavarian State Opera and then performed again at the Berlin Opera Theatre in November of that year.  His US debut was in February 2012 as Radames in "Aida" at the Metropolitan Opera following by another summer performance that year.  In the autumn of 2012 he sang in "Il trovatore" staged by the Canadian Opera in Toronto and in February 2013 sang Calaf in "Turandot" produced by the Royal Swedish Opera.  He also became known for his performance as Don Alvaro in "La forza del destino" at the Australian Opera and the same year sang in another "Aida" production, this time at the Michigan Opera Theatre.  From 2013 to 2014 he performed at the Royal Opera House and as Cavaradossi at the Liceu in Barcelona.  Later on, he returned to Royal Swedish Opera where he sang the title role in "Andrea Chenier" and then another "Radames" at the Houston Grand Opera.  At the Opernhaus Zurich, he sang Calaf in December 2015.
  Title: Megumi Toda
  Passage: Megumi Toda (戸田 めぐみ , Toda Megumi , born December 8, 1990) is a Japanese voice actress from Tokyo.  She is affiliated with Kenyu Office.  She was regular on the Animate Pia Channel which was broadcast on Nico Nico.  Her major roles include Hajime Shinoda in "New Game! ", Kiitan in "Etotama" and Yuzu Iizuka in "Sakura Trick".  As part of the "Etotama" cast, she sang on the theme song under the group Soruaru BOB on a single called "blue moment" that reached number 49 on the Oricon charts.  She also sang the theme songs for "New Game!"  under the group forfolium; the singles "Sakura" and "Now Loading!!"  reached numbers 33 and 42 on Oricon.  As part of the Idolmaster cast, she sang on one of the singles which reached number 22.
  Title: Maryland Route 155
  Passage: Maryland Route 155 (MD 155) is a state highway in the U.S. state of Maryland.  Known for most of its length as Level Road, the state highway runs 9.06 mi from MD 22 in Churchville east to U.S. Route 40 (US 40) and MD 7 in Havre de Grace.  In conjunction with MD 22, MD 155 serves as the main highway linking Bel Air and Havre de Grace in eastern Harford County.  The state highway also connects Havre de Grace with Interstate 95 (I-95) and Susquehanna State Park.  The first portion of MD 155 near Havre de Grace was built by 1910; the remainder of the highway east of Hopewell Village was completed in the mid-1920s.  The Churchville–Hopewell Village portion of the state highway, originally designated MD 156, was built in the mid-1930s.  MD 155 received its present designation over its western half in 1952 when MD 155 and MD 156 swapped paths.
  Title: State of Grace (Taylor Swift song)
  Passage: "State of Grace" is a song by American singer-songwriter Taylor Swift from her fourth studio album "Red" (2012).  It was released to the iTunes Store on October 16, 2012, in the United States by Big Machine Records as the fourth and final promotional single from the album.  It was the only promotional single from the album that was not re-issued as an official single, as "Begin Again", "Red", and "I Knew You Were Trouble", were all later re-issued as official singles.  The song was written by Swift and produced by Nathan Chapman and Swift.  Musically, the song is a departure from Swift's typical country pop, using influences of alternative rock while being compared to bands such as U2, Muse and The Cranberries.  The song has received immense praise from music critics, who have complimented its broader sound in comparison with Swift's previous material.
  Title: Grace / Ride the Storm
  Passage: "Grace / Ride The Storm" is the fourth and final single released from Blue band-member Simon Webbe's second solo album, "Grace".  Although "Ride The Storm" only features on the SEA Special Edition of "Grace", the song served as the official theme from the soundtrack to the 2007 sci-fi film, "".  The double A-side peaked at #36 on the UK Singles Chart.  The single was not released in Europe - instead, "Seventeen", another track from "Grace", was released.  Music videos for both tracks were filmed, "Grace" featuring Webbe performing on a high-rise building on a council estate, and "Ride The Storm" featuring clips of the Fantastic Four film intertwinned with clips of Webbe performing in a superhero-style outfit.
  Title: Sophia Grace &amp; Rosie
  Passage: Sophia Grace Brownlee (born 18 April 2003) and her cousin Rosie McClelland (born 7 September 2006), both from Essex, England, make up the duo Sophia Grace & Rosie.  They quickly gained popularity, by making regular appearances on "The Ellen DeGeneres Show", after posting a cover version of the Nicki Minaj song "Super Bass" that went viral on YouTube.  The video was originally posted on YouTube on 19 September 2011 and has gained more than 52 million views as of June 2017.  Sophia Grace debuted music videos on her official YouTube Channel like her Billboard Hot 100 charting single "Best Friends" and "Girls Just Gotta Have Fun", which as of June 2016 has more than 118 million views.  After signing a recording deal with Capitol Records France, she has released her third single "Girl In The Mirror" on iTunes on 9 June 2016 featuring Silentó and an accompanying music video to it.  Rosie has started a YouTube channel featuring her life and sang a cover of Little Mix's "Touch".
  Title: Hermine Kittel
  Passage: Hermine Kittel (December 2, 1879 – April 7, 1948) was an Austrian contralto from Vienna.  She studied singing with Amalie Materna in Vienna.  She made her operatic debut in 1897 in Ljubljana.  Kittle first sang under Gustav Mahler at the Vienna Hofoper (Vienna State Opera) and later premiered in a revision of "Ariadne auf Naxos".  She sang at the Bayreuth Festival in 1902 and 1908, where she sang Erda in "Der Ring des Nibelungen".  She also sang at the Salzburg Festival, where she often played Marcellina in "The Marriage of Figaro".
  Title: Sang pour sang
  Passage: Sang pour sang is a 1999 album recorded by French singer Johnny Hallyday.  It was released on 13 September 1999, and achieved huge success in France and Belgium (Wallonia), where it topped the charts and stayed on the charts for respectively two and one years.  It provided five top 15 singles in France : "Vivre pour le meilleur" (No. 2), "Un jour viendra" (No. 6), "Sang pour sang" (No. 9), "Partie de cartes" (No. 13) and "Pardon" (No. 9).  David Hallyday, Johnny's son, participated in the composition of all the songs of the album, along with Miossec and Zazie.
  Title: Begin Again (Taylor Swift song)
  Passage: "Begin Again" is a song written and recorded by American singer-songwriter Taylor Swift for her fourth studio album, "Red" (2012).  Swift co-produced the song with Nathan Chapman and Dann Huff.  Initially released as a promotional single on September 25, 2012 by Big Machine Records, the song served as the second single from "Red" on October 1, 2012.  "Begin Again" is a country song, with the lyrical content finds Swift falling in love again after a failed relationship.
  Title: Graceful 4
  Passage: Graceful 4 is The Grace's first Japanese album, released on November 14, 2007.  The title track, "One More Time, OK?" , is a translated version of the song "한번 더, OK? "  from "Chun Sang Ji Hee's The Grace" (Tenjochiki) first Korean album.  Tenjochiki's first Japanese studio album includes the 5 singles released from 2006 January in Japan, and the album has a total of 14 tracks.  The album sold a total of 1,622 copies in Japan, peaking at No. 103 in the Oricon charts.
citations: State of Grace (Taylor Swift song) Begin Again (Taylor Swift song)