Question: Which Canadian singer and songwriter wrote the song Hang On to Your Life?
Context: "What Made You Say That" is a song by Canadian singer Shania Twain.  It was the first single ever released by Twain, as it came off her 1993 album "Shania Twain".  The song was written by Tony Haselden and Stan Munsey, Jr..  The single was released to radio in February 1993.  The song wasn't much of a hit, but it did garner some attention because of its controversial-at-the-time video.  Twain had the chance to perform the song at the 1993 Canadian Country Music Awards.  The song also helped her win the Rising Star award in 1993, from CMT Europe.  Several years later on Twain's Come on Over Tour, every night a local child who won a contest would be able to perform the song during the show, in front of everyone, with Twain performing backing vocals.  One such rendition was by, a then-unknown, Canadian pop rock singer Avril Lavigne. Charlie Rhindress (born May 9, 1966) is an actor, playwright and director living in Halifax, Nova Scotia.  Born in Amherst, Nova Scotia and educated at Mount Allison University, he is a co-founder and former Artistic Director of Live Bait Theatre, based in Sackville, New Brunswick.  To date, Rhindress has written 13 full-length plays, including "The Maritime Way of Life", which was nominated for a Canadian Comedy award as best new play, and "Flying On Her Own", based on the life of the late Canadian singer/songwriter, Rita MacNeil.  It was published by Playwrights Canada Press in 2008.  He has also written or co-written more than 30 dinner theatre scripts and two plays for teens. Adam Wade Gontier (born May 25, 1978) is a Canadian singer, songwriter and musician.  He is the lead singer, rhythm guitarist and main songwriter for Saint Asonia, but is best known as the former lead singer, rhythm guitarist and main songwriter of the Canadian rock band Three Days Grace.  Gontier left Three Days Grace on January 9, 2013.  In addition to his work with Three Days Grace, he has been involved in collaborations with other bands including Art of Dying and Apocalyptica. Burton Lorne Cummings, {'1': ", '2': ", '3': ", '4': "} (born December 31, 1947) is a Canadian musician, singer and songwriter. "Flesh Without Blood" is a song by Canadian singer, songwriter and music producer Grimes, released on October 26, 2015 as the lead single from her fourth studio album, "Art Angels" (2015).  The same day, Grimes released the "Flesh Without Blood/Life in the Vivid Dream" video to YouTube, a double music video featuring "Flesh Without Blood" and "Life in the Vivid Dream", another song on "Art Angels". "Can't Stop This Thing We Started" is a song by Canadian singer and songwriter Bryan Adams.  The song was written by Adams and Robert John "Mutt" Lange, and was the second single from Adams' 1991 album "Waking Up the Neighbours", a successor of the massive hit single "(Everything I Do) I Do It for You".  A rock song in contrast to "(Everything I Do) I Do It for You", it peaked at #2 on the "Billboard" Hot 100, only behind "Cream" by Prince and The New Power Generation, while also reaching #2 on Billboard's Rock Tracks chart.  It also number 1 for three weeks on the Canadian Singles Chart.  This track received two nominations at the Grammy Awards of 1992 for Best Rock Song and Best Rock Performance, Solo, winning neither.  It served as the 2009 British Columbia Liberal Party campaign theme song. "Give It to Me" is a song performed by American producer, songwriter and rapper Timbaland, released as the first single from his second studio album "Shock Value" (2007).  The song features vocals by Canadian singer and songwriter Nelly Furtado and American singer Justin Timberlake.  All three artists co-wrote the song together with American rapper Attitude and American producer Danja, who produced the song with Timbaland.  Mosley Music Group, in association with Blackground Records and Interscope Records, serviced the song to contemporary hit and rhythmic radios in the United States on 4 February 2007 and later to urban radios on 10 March 2007.  "Give It to Me" is an electro song that embodies the sensibilities of club music.  The song features the protagonists addressing their critics about their successes in the music industry. "Hang On to Your Life" is a song written by Burton Cummings and Kurt Winter and performed by The Guess Who.  It reached #5 in Canada and #43 on the "Billboard" Hot 100 in 1971.  The song was also released in the United Kingdom as a single, but it did not chart.  The song is featured on their 1970 album, "Share the Land". Blair Packham is a veteran Canadian singer/songwriter.  He was lead vocalist/guitarist for The Jitters in the 1980s and has released material as a solo singer/songwriter since 2000.  He has also written music and lyrics for numerous films and television programs, including TSN’s "NHL Tonight! ," Global Television’s "The Jane Show," as well as animated shows like "Beyblade," "Rescue Heroes," "Trucktown," "Spliced! ," and "The Adventures of Chuck and Friends".  Blair is a co-host (with Bob Reid) for Newstalk 1010's "In the Studio".  With Ron Sexsmith, he co-produced an Andy Kim Christmas track, as well as albums for U.K. singer/songwriter Max Croft, R&B/soul singer Stacey Kaniuk, hardcore band Youth Youth Youth and many others.  As a volunteer, Blair served as co-Vice-President of the Songwriters Association of Canada from 2000 to 2007.  He is one of the organizers, along with Rik Emmett, of the annual SongStudio, an intensive, week-long songwriting workshop in Toronto, Ontario.  In addition to being a lifelong SOCAN member, Blair is also a member of the Canadian Music Creators Coalition. Take It Home is Canadian singer Tom Cochrane's sixth solo studio album and second album for Universal Music Canada, released on February 10, 2015.  Cochrane wrote all of the album with the exception of "Sunday Afternoon Hang" which he co-wrote with Danielle Bourjeaurd.
Answer: Burton Cummings