Question: What "Some Hearts" singer collaborated with Keith Urban on Ripcord?
Context: Carrie Marie Underwood (born March 10, 1983) is an American singer, songwriter, and actress.  She rose to fame as the winner of the fourth season of "American Idol" in 2005.  Her debut album, "Some Hearts", was released in 2005.  Bolstered by the huge crossover success of the singles "Jesus, Take the Wheel" and "Before He Cheats", it became the best-selling solo female debut album in country music history, the fastest-selling debut country album in Nielsen SoundScan history and the best-selling country album of the last 14 years.  Underwood won three Grammy Awards for the album, including Best New Artist. "Break on Me" (stylized as "Break on Me.")  is a song written by Ross Copperman and Jon Nite and recorded by New Zealand-born Australian country music singer Keith Urban.  It was released on 23 October 2015 as the second single from his ninth studio album, "Ripcord", through Hit Red and Capitol Nashville.  The bass-driven ballad was co-produced by Urban with Nathan Chapman and has been deemed a stylistic counterpoint to its funky predecessor "".  The song is also the second of his career not to have an accompanying music video, after 2010's "I'm In". "Blue Ain't Your Color" is a song recorded by New Zealand-born Australian country music singer Keith Urban and written by Steven Lee Olsen, Hillary Lindsey and Clint Lagerberg.  It was released on 8 August 2016 as the fourth single from his ninth studio album, "Ripcord", through Hit Red and Capitol Nashville.  The song was produced by Dann Huff. "Wasted Time" is a song recorded by New Zealand-born Australian country music singer Keith Urban and co-written by Urban, Greg Wells and James Abrahart.  It was released on 4 April 2016 as the third single from his ninth studio album, "Ripcord", through Hit Red and Capitol Nashville.  The song was produced by Wells. The Ripcord World Tour (stylized as the ripCORD World Tour) was the eleventh concert tour by Australian singer Keith Urban.  The tour was in support of his tenth studio album "Ripcord" (2016).  The tour began on 2 June 2016 in Bonner Springs, Kansas and concluded on 17 December 2016 with two shows in Brisbane, Australia.  Brett Eldredge, Maren Morris and Dallas Smith were supporting acts for Urban in North America.  The Oceania leg of the tour was co-headlined with American singer Carrie Underwood, with Buchanan as opening act. "The Fighter" is a duet between New Zealand-born Australian country music singer Keith Urban and American country music singer Carrie Underwood.  It was released on 6 February 2017 as the fifth single from Urban's ninth studio album, "Ripcord", through Hit Red and Capitol Nashville.  Urban co-wrote and co-produced the song with busbee. Ripcord is the ninth studio album by New Zealand-born Australian country music singer Keith Urban.  It was released on 6 May 2016, through Hit Red and Capitol Nashville.  For this album, Urban collaborated with musicians such as Carrie Underwood, Pitbull, and Nile Rodgers.  The album was preceded by the singles "" and "Break on Me", with "Wasted Time", "Blue Ain't Your Color", and "The Fighter" also being released from it.  As with his previous album "Fuse", Urban worked with multiple record producers, including longtime producer Dann Huff. Keith Urban (also known as Keith Urban II) is the second studio album by Australian country music artist Keith Urban, released on 19 October 1999 by Capitol Nashville. Jon Nite (born in Amarillo, Texas) is a CMA and ACM award winning singer/songwriter who has written 14 top ten hits for American music's top artists.  Jon's songs have been recorded Tim McGraw, Chris Young, Dierks Bentley, Blake Shelton, Keith Urban, David Nail, Luke Bryan, Kenny Chesney, Phillip Phillips, Chase Rice, Jake Owen, Michael Ray, Adam Craig, Darius Rucker, Gloriana, and many more.  Teaming with EMI/SONY ATV, Jon has found a radio home with hits like “What Ever She’s Got” by David Nail, “Smoke” by A Thousand Horses, “We Were Us” by Keith Urban and Miranda Lambert, “Beachin” by Jake Owen, “Strip It Down”by Luke Bryan, “Break On Me” by Keith Urban, "Noise" by Kenny Chesney, “Think A Little Less” by Michael Ray, “If I Told You” by Darius Rucker and Boy (Lee Brice song), by Lee Brice. "John Cougar, John Deere, John 3:16" is a song written by Shane McAnally, Ross Copperman, and Josh Osborne and recorded by New Zealand-born Australian country music singer Keith Urban.  It was released on 9 June 2015 as the lead single to Urban's eighth American studio album, "Ripcord".  The song has a slow 1970s funk vibe that carries distinct drum loops and several time changes, with production from Urban and longtime co-producer Dann Huff.  The song received positive reviews from critics who praised the production, lyrics, and Urban's return to traditional country with a new sound.
Answer: Carrie Underwood