Given the question: Information:  - The Rock and Roll Hall of Fame and Museum is a hall of fame and museum located on the shore of Lake Erie in downtown Cleveland, Ohio, United States. The Rock and Roll Hall of Fame Foundation was established on April 20, 1983, by Atlantic Records founder and chairman Ahmet Ertegun to recognize and archive the history of the best-known and most influential artists, producers, engineers, and other notable figures who have had some major influence on the development of rock and roll. In 1986, Cleveland was chosen as the hall of fame's permanent home. Since opening in September 1995, the "Rock Hall"  part of the city's redeveloped North Coast Harbor  has hosted more than 10 million visitors and had a cumulative economic impact estimated at more than $1.8 billion.  - The Woodstock Music & Art Fairinformally, the Woodstock Festival or simply Woodstockwas a music festival attracting an audience of over 400,000 people, scheduled over three days on a dairy farm in New York state from August 15 to 17, 1969, but ultimately ran four days long, ending August 18, 1969.  - Bad Boy Entertainment (also known as Bad Boy Records) is an American record label founded in 1993 by Sean Combs. Today, it operates as an imprint of Epic Records, a division of Sony Music Entertainment.  - `` Welcome Back '' is the first single by American rapper Mase from his third studio album Welcome Back . The song was produced by The Movement ( Corron Cole , James Bunton ) and samples `` Welcome Back '' , the theme from the TV show Welcome Back , Kotter by John Sebastian . The record has been certified gold by the RIAA .  - John Benson Sebastian (born March 17, 1944) is an American-born singer-songwriter, guitarist, harmonicist, and autoharpist, who is best known as a founder of The Lovin' Spoonful, a band inducted into the Rock and Roll Hall of Fame in 2000; for his impromptu appearance at the Woodstock festival in 1969; and for his #1 hit in 1976, "Welcome Back".  - Mason Durell Betha (born August 27, 1977), better known by stage name Mase (formerly often stylized Ma$e or MA$E), is an American hip hop recording artist and minister. He is best known for being signed to Sean "Diddy" Combs's label Bad Boy Records.     What is the relationship between 'welcome back ' and 'bad boy records'?
The answer is:
record label