Question: Who sings the song you got to keep your head up?

Disambiguated questions and answers:
context: "Keep Your Head Up" is the debut single by American recording artist Andy Grammer from his eponymous debut studio album "Andy Grammer" (2011). It was written by Grammer and produced by Lion's Share, with additional production by Steve Greenberg. The song was first released February 24, 2011 as the album's lead single. It debuted at number 94 on the "Billboard" Hot 100 and since then has reached number 53. The song was RIAA-certified Platinum, for sales of over 1 million downloads, in 2011. It also entered the charts in Australia, Belgium, Canada, the Netherlands and New Zealand. The song was released in the UK on March 12, 2012, but failed to chart.
question: Who sings the song you got to keep your head up from February 24, 2011?
short_answers: Andy Grammer
Andrew Charles Grammer
wikipage: Keep Your Head Up (Andy Grammer song)
context: "Keep Your Head Up" is a song by British singer-songwriter Ben Howard from his debut studio album "Every Kingdom". It was released as a single in the United Kingdom on 26 August 2011 as a digital download. It reached a peak UK Singles Chart position of 74. The song was written by Ben Howard. The cover art was designed by Owen Tozer. It is a re-recording of the original version found on the "Games in the Dark EP".
question: Who sings the song you got to keep your head up from August 26, 2011?
short_answers: Ben Howard
Benjamin John "Ben" Howard
Benjamin John Howard
wikipage: Keep Your Head Up (Ben Howard song)
context: "Keep Your Head Up is the debut single by British girl group Girls Can't Catch. It was written by Chris Braide and Nina Woodford, and produced by Braide. It was released on 30 July 2009, and entered the UK Singles Chart at number 26. The single reached the top 5 in the Scottish Singles Chart, peaking at number 4.
question: Who sings the song you got to keep your head up from 2009?
short_answers: Girls Can't Catch
wikipage: Keep Your Head Up (Girls Can't Catch song)
context: "Keep Ya Head Up" is a 1993 hit single by 2Pac. The song features R&B singer Dave Hollister and is dedicated to black women and Latasha Harlins.
question: Who sings the song Keep Ya Head Up?
short_answers: 2pac
Tupac
Tupac Amaru Shakur
Lesane Parish Crooks
Makaveli
wikipage: Keep Ya Head Up

Long-form answers:
knowledge: content: "Keep Your Head Up" is the debut single by American recording artist Andy Grammer from his eponymous debut studio album "Andy Grammer" (2011).
wikipage: Keep Your Head Up (Andy Grammer song)
content: The song was first released February 24, 2011 as the album's lead single.
wikipage: Keep Your Head Up (Andy Grammer song)
content: "Keep Your Head Up" is a song by British singer-songwriter Ben Howard from his debut studio album "Every Kingdom".
wikipage: Keep Your Head Up (Ben Howard song)
content:  It was released as a single in the United Kingdom on 26 August 2011 as a digital download.
wikipage: Keep Your Head Up (Ben Howard song)
content: "Keep Your Head Up is the debut single by British girl group Girls Can't Catch. 
wikipage: Keep Your Head Up (Girls Can't Catch song)
content: It was released on 30 July 2009, and entered the UK Singles Chart at number 26. 
wikipage: Keep Your Head Up (Girls Can't Catch song)
content: "Keep Ya Head Up" is a 1993 hit single by 2Pac. 
wikipage: Keep Ya Head Up
content: Tupac Amaru Shakur (/ˈtuːpɑːk ʃəˈkʊər/ TOO-pahk shə-KOOR; born Lesane Parish Crooks, June 16, 1971 – September 13, 1996), better known by his stage name 2Pac and by his alias Makaveli, was an American rapper, songwriter, and actor.
wikipage: Tupac Shakur
long_answer: The song title "Keep Your Head Up" has been used by various musicians. In 1993, American rapper 2Pac released a song called Keep Ya Head Up. The British girl group Girls Can't Catch released a song with the same title on July 30, 2009. The British singer-songwriter Ben Howard released a song called Keep Your Head Up on August 26, 2011 and American recording artist Andy Grammer first released a song with this same title on February 24, 2011. 
long_answer: Keep Ya Head Up is a 1993 hit single by 2Pac. The song features R&B singer Dave Hollister and is dedicated to black women and Latasha Harlins. Keep Your Head Up is the debut single by British girl group Girls Can't Catch. It was released on 30 July 2009, and entered the UK Singles Chart at number 26. Keep Your Head Up is the debut single by American recording artist Andy Grammer from his eponymous debut studio album Andy Grammer (2011). The song was first released February 24, 2011 as the album's lead single. Keep Your Head Up is a song by British singer-songwriter Ben Howard from his debut studio album Every Kingdom. It was released as a single in the United Kingdom on 26 August 2011 as a digital download.