Yogyakarta (English: /ˌjɒɡjəˈkɑrtə/ or /ˌjoʊɡjəˈkɑrtə/,Malay: [jɔɡjaˈkarta]; also Jogja, Jogjakarta) is a city in the Yogyakarta Special Region on Java in Indonesia. It is renowned as a centre of classical Javanese fine art and culture such as batik, ballet, drama, music, poetry, and puppet shows. Yogyakarta was the Indonesian capital during the Indonesian National Revolution from 1945 to 1949. One of the districts in Yogyakarta, Kotagede, was the capital of Mataram Sultanate between 1575-1640.

Although missing from the historical record since the migration of the capital of Medang kingdom in the 10th century to the eastern Java, the valley area in the south of Mount Merapi since the 15th century still inhabited by many people and perhaps become part of the region called "Pengging".

Kotagede was the capital of Mataram Sultanate now part of districts in Yogyakarta. The palace of the founder of Mataram Sultanate, Panembahan Senopati established in scene of part of Alas Mentaok. After a two times move it Capital, (Palace of Pleret and Place of Kerta, both located in Bantul Regency), The capital of Mataram Sultanate moved to Kartasura.

William Martin "Billy" Joel (born May 9, 1949) is an American pianist, singer-songwriter, and composer. Since releasing his first hit song, "Piano Man," in 1973, Joel has become the sixth best-selling recording artist and the third best-selling solo artist in the United States, according to the RIAA.

Joel had Top 40 hits in the 1970s, 1980s, and 1990s, achieving 33 Top 40 hits in the United States, all of which he wrote himself. He is also a six-time Grammy Award winner, a 23-time Grammy nominee and has sold over 150 million records worldwide. He was inducted into the Songwriter's Hall of Fame (1992), the Rock and Roll Hall of Fame (1999), the Long Island Music Hall of Fame (2006), and the Hit Parade Hall of Fame (2009). In 2008, Billboard magazine released a list of the Hot 100 All-Time Top Artists to celebrate the US singles chart's 50th anniversary, with Billy Joel positioned at No. 23. With the exception of the 2007 songs "All My Life" and "Christmas in Fallujah," Joel stopped recording pop/rock material after 1993's River of Dreams, but he continued to tour extensively until 2010.

Zee Avi (born Izyan Alirahman, also known as KokoKaina; b. 1985) is a Malaysian singer-songwriter, guitarist, and ukulele player. She was born in Miri, Sarawak, Malaysia. She moved to Kuala Lumpur when she was 12. She studied fashion design at American InterContinental University in London.

In September 2007 Avi posted a video of her first song on YouTube for one of her friends who had missed her first performance in Kuala Lumpur. The friend convinced Avi to leave the video online even after he had seen it, and soon she received positive feedback. This inspired her to put more videos on YouTube. After being featured on the main page of YouTube, she was discovered by Patrick Keeler of The Raconteurs, who passed the link to Ian Montone, the manager of The White Stripes, The Shins, The Raconteurs, and others. Montone passed her music on to Emmett Malloy, who signed her to Brushfire Records, a record company which is partly owned by Jack Johnson. Her song "No Christmas For Me" is featured on Brushfire Records's 2008 Christmas album This Warm December: A Brushfire Holiday. Her single "Bitter Heart" was first to become available on the US iTunes store, and her full self-titled debut album was released on May 19, 2009, co-produced by Brushfire Records and Ian Montone's Monotone Records. On the day of her album's release, YouTube featured her on the front page in Spotlight: Music Tuesday. From June–August 2009, she toured the United States with Pete Yorn. The final concert on her first U.S. tour was at the Music Box at the Henry Fonda Theater in Hollywood, California on August 27, 2009.

Pierre David Guetta (7 November 1967), known professionally as David Guetta (French pronunciation: [daˌvid ɡɛˈta]), is a French house music producer and DJ. Originally a DJ at nightclubs during the 1980s and 1990s, he co-founded Gum Productions and released his first album, Just a Little More Love, in 2002. Later, he released Guetta Blaster (2004) and Pop Life (2007). His 2009 album One Love included the hit singles "When Love Takes Over" (featuring Kelly Rowland), "Gettin' Over You" (featuring Chris Willis, Fergie & LMFAO) and "Sexy Bitch" (featuring Akon), the last becoming a top five hit in the United States and all three reaching #1 in the United Kingdom, as well as another internationally known single called "Memories" featuring Kid Cudi which became a top five hit in many countries. Guetta has sold over three million albums and 15 million singles worldwide. He is currently one of the most sought-after music producers. As at 2012 David Guetta is the world's most popular DJ, claiming the #1 poll position of the DJ Mag 100 popularity poll.