Question: When was the band who recorded "Hey Mama" and "My Humps" founded?
Context: "Hey Lawdy Mama" (or "Oh Lordy Mama") is a Piedmont blues song recorded by Buddy Moss in 1934.  The song became popular among jazz musicians with early recordings by Count Basie and Louis Armstrong.  In 1943, a version recorded by Andy Kirk and His Twelve Clouds of Joy, with vocals by June Richmond, was a hit, reaching number four on the Billboard R&B chart.  Since then, a variety of artists have recorded their interpretations of "Hey Lawdy Mama". Hey Mama!  is the debut extended play by EXO-CBX, the first official sub-unit of the South Korean boy group EXO.  It was released on October 31, 2016 by S.M. Entertainment under distribution by KT Music.  The EP features five tracks in total with a variety of genres. Fatima Robinson is a music video director and choreographer.  Robinson has choreographed music videos for artists such as Michael Jackson ("Remember the Time"), Aaliyah ("Rock The Boat", "Hot Like Fire", "Try Again", "We Need A Resolution", "Are You That Somebody", "More Than a Woman") and Mary J. Blige's "Family Affair" (for which Robinson won the 2002 MTV Video Music Award for Best Choreography); and directed the "Hey Mama" and "My Humps" videos by The Black Eyed Peas (the latter co-directed by Malik Hassan Sayeed and the recipient of the 2006 MTV Video Music Award for Best Hip-Hop Video) and "All About That Bass" & "Dear Future Husband" by Meghan Trainor.  Robinson's most recent choreography credits include Fergie's "MILF $" music video as well as Gwen Stefani's "This Is What The Truth Feels Like" Summer 2016 tour. The Black Eyed Peas (originally simply Black Eyed Peas) are an American group, consisting of rappers will.i.am, apl.de.ap, Taboo, and Fergie.  Originally an alternative hip hop group, they subsequently changed their musical sound to pop and dance-pop music.  Although the group was founded in Los Angeles in 1995, it was not until the release of their third album "Elephunk" in 2003 that they achieved high record sales.  Since that time, the group has sold an estimated 76 million records (35 million albums and 41 million singles), making them one of the world's best-selling groups of all time.  According to Nielsen SoundScan, The Black Eyed Peas were the second-best-selling artist/group of all time for downloaded tracks, with over 42 million sales as of the end of 2011. "Hey Mama" is a song by the American band The Black Eyed Peas.  It reached #23 on the "Billboard" Hot 100 chart.  The 2004 single is the third one taken from their 2003 album "Elephunk". EXO-CBX (, also known as CBX or ChenBaekXi) is the first official sub-unit of South Korean boy group EXO.  Formed by S.M. Entertainment in 2016, the group is composed of three EXO members: Chen, Baekhyun, and Xiumin.  Their debut extended play "Hey Mama! " was released in October 2016. "Hey Mama" is the debut single by EXO-CBX, the first official sub-unit of the South Korean boy group EXO.  It was released on October 31, 2016 by S.M. Entertainment as the title track of their debut extended play "Hey Mama! ".  The Japanese version of the song was released on May 24, 2017 along with their Japanese debut EP "Girls". Hey Mama was a contemporary rock band from Cambridge, Massachusetts. Girls is the debut Japanese extended play by EXO-CBX, the first official sub-unit of the South Korean boy group EXO.  It was released on May 24, 2017 by Avex Trax and distributed by Avex Music Creative.  The EP features seven tracks in total including the Japanese version of their debut Korean single "Hey Mama!"  and a bonus track that will be included only in the first edition of the album. "Hey Mama" is a song by American hip-hop artist Kanye West.  It was released as the sixteenth song on the track-listing of his second studio album "Late Registration".  The song was produced by West and composer Jon Brion and the song contains a sample of "Today Won't Come Again" by Donal Leace.  Though it appeared on his 2005 album, West had composed the song long before he had found fame, as early as 2000.
Answer: 1995