Change was an Italian-American post-disco group formed in Bologna, Italy in 1979 by businessman and executive producer Jacques Fred Petrus (1949–1986) and Mauro Malavasi (1957). They were heavily influenced by legendary disco band Chic.

Change was initially formed in 1979 as a studio-band with a revolving cast of musicians, led by businessman and executive producer Jacques Fred Petrus, with the majority of song-writing and production carried out by Mauro Malavasi and Davide Romani. The band’s dual Italian and American identity was a result of a production system, in which the music, excepting the vocals, were written and recorded by Italian collaborators in studios such as Fontoprint Studios, Bologna, Italy. The backing tracks were then taken to the USA where vocals were added by American performers, before being mixed into finalised versions in major studios such as the Power Station in New York.

The band's debut album, The Glow of Love, was released in 1980. It was composed by a small team of writers made up of Romani, Malavasi, Tanyayette Willoughby, Paul Slade and Wayne Garfield. The first single was the million seller "A Lover's Holiday" featuring the ad lib stylings of Zachary Sanders, known then for his work on Schoolhouse Rock. The follow-up hits from the album, "Searching" and the title song feature lead vocals by Luther Vandross who had yet to come to prominence. The three songs combined spent 9 weeks at #1 on Billboard's Club Play Singles chart, enough to make it the #1 Disco album of the year and a million seller in the U.S. The success of "Searching" and "The Glow of Love" exposed Luther's voice to mainstream and eventually led to a successful solo career starting in 1981.

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John Clayton Mayer ( /ˈmeɪ.ər/ MAY-ər; (born October 16, 1977) is an American pop and blues rock musician, singer-songwriter, recording artist, and music producer. Born in Bridgeport, Connecticut and raised in Fairfield, Connecticut, he attended Berklee College of Music in Boston. He moved to Atlanta in 1997, where he refined his skills and gained a following, and he now lives in New York City. His first two studio albums, Room for Squares and Heavier Things, did well commercially, achieving multi-platinum status. In 2003, he won a Grammy Award for Best Male Pop Vocal Performance for "Your Body Is a Wonderland."

Mayer began his career performing mainly acoustic rock, but gradually began a transition towards the blues genre in 2005 by collaborating with renowned blues artists such as B. B. King, Buddy Guy, and Eric Clapton, and by forming the John Mayer Trio. The blues influence can be heard throughout his 2005 live album Try! with the John Mayer Trio and his third studio album Continuum, released in September 2006. At the 49th Annual Grammy Awards in 2007 Mayer won Best Pop Vocal Album for Continuum and Best Male Pop Vocal Performance for "Waiting on the World to Change". He released his fourth studio album, Battle Studies, in November 2009. His fifth album, Born and Raised, was released on May 22, 2012. He has sold over 10 million albums in the U.S. and 20 million albums worldwide.

Delano Floyd McCoury (born February 1, 1939 in York, PA) is an American bluegrass musician. As leader of the Del McCoury Band, he plays guitar and sings lead vocals along with his two sons, Ronnie McCoury and Rob McCoury, who play mandolin and banjo respectively. In June 2010, he received a National Heritage Fellowship lifetime achievement award from the National Endowment for the Arts and in 2011 he was elected into the International Bluegrass Music Hall of Fame.

McCoury has had a long career in bluegrass. Although originally hired as banjo player, he sang lead vocals and played rhythm guitar for Bill Monroe's Blue Grass Boys in 1963, with whom he first appeared on the Grand Ole Opry. McCoury briefly appeared with the Golden State Boys in 1964 before taking a series of day jobs in construction and logging, while continuing to work as an amateur musician in Maryland, Virginia and Pennsylvania.

In the 1980s his sons began performing with him. Fiddler Tad Marks and bass player Mike Brantley joined McCoury's group in early 1990s. McCoury's group toured widely throughout the US. They relocated to Nashville, Tennessee as they began to attract attention. Fiddler Jason Carter and bassist Mike Bub joined in 1992. Alan Bartram joined the band as bassist in 2005. McCoury became a member of the Grand Ole Opry in October 2003.