Katowice (Polish: [katɔˈvʲit​͡sɛ] ( listen); German: Kattowitz) is a city in Silesia in southern Poland, on the Kłodnica and Rawa rivers (tributaries of the Oder and the Vistula respectively). Katowice is located in the Silesian Highlands, about 50 km (31 mi) north of the Silesian Beskids (part of the Carpathian Mountains) and about 100 km (62 mi) southeast of the Sudetes Mountains.

It is the central district of the Upper Silesian Metropolis, with a population of 2.2 million to 3.5 million. Katowice is the center of science, culture, industry, business and transportation in southern Poland. It is the main city in the Upper Silesian Industrial Region and of the 2.7 millionconurbation, the Katowice urban area, within a Silesian metropolitan area populated by 4,676,983 people.

Katowice has been the capital of the Silesian Voivodeship since its formation in 1999. Previously, it was the capital of the Katowice Voivodeship, before then, of the Silesian Voivodeship and before then Province of Upper Silesia in Germany.

Mike Candys (born 21 August 1981) is a Swiss music producer and house DJ.

In 2008, he became widely known in Switzerland with the song La Serenaissima. In 2009, Candys found success after collaborating with Jack Holiday in a remix of the Faithless song Insomnia, which reached the top 10 in various European singles charts. His third single, People Hold On, is ranked fourth in the 2010 European club charts and was followed by Together Again, which helped him to become internationally recognized. In 2011, he again reached the top of the charts with One Night In Ibiza, a track that contains elements of 1990s eurodance, alternating between female vocalist Evelyn Zangger and rapper Patrick Miller. The song is an answer to Welcome to St. Tropez by Swiss DJ Antoine and Timati. In March 2012, Mike Candys released 2012 (If The World Would End) that became immediately a top 10 hit in German speaking countries. It is so far his most successful single.

Pharrell Williams (born April 5, 1973), commonly known simply as Pharrell, is an American rapper, singer, record producer, composer, and fashion designer. Williams and Chad Hugo make up the record production duo The Neptunes, producing hip hop and R&B music. He is also the lead vocalist and drummer of hip-hop band N.E.R.D, which he formed with Hugo and childhood friend Shay Haley. He released his first single "Frontin'" in 2003 and followed up with his first album In My Mind in 2006.

As part of The Neptunes, Williams has produced numerous hit singles for various musicians. The two have earned three Grammy Awards amongst ten nominations. He is also the co-founder of the clothing brands Billionaire Boys Club and Ice Cream Clothing. He is a member of the supergroup V.A. Playaz with Fam-Lay, Clipse, Skillz, Missy Elliott, and Timbaland & Magoo.

Pharrell Williams was born on April 5, 1973, in Virginia Beach, Virginia, the eldest of three sons of Carolyn, a teacher, and Pharaoh Williams, a handyman. He met Chad Hugo in a seventh-grade summer band camp where Williams played the keyboards and drums and Hugo played tenor saxophone. They were also both members of a marching band; Williams played the snare drum while Chad was student conductor. With Hugo, Williams attended Princess Anne High School where they played in the school band; there he got the name Skateboard P.