Till

Till or glacial till is unsorted glacial sediment.

Till is derived from the erosion and entrainment of material by the moving ice of a glacier. It is deposited some distance down-ice to form terminal, lateral, medial and ground moraines.

Till is classified into primary deposits, laid down directly by glaciers, and secondary deposits, reworked by fluvial transport and other processes.

Processes

Glacial drift is the coarsely graded and extremely heterogeneous sediment of a glacier; till is the part of glacial drift deposited directly by the glacier. Its content may vary from clays to mixtures of clay, sand, gravel, and boulders. This material is mostly derived from the subglacial erosion and entrainment by the moving ice of the glaciers of previously available unconsolidated sediments. Bedrock can also be eroded through the action of glacial plucking and abrasion and the resulting clasts of various sizes will be incorporated to the glacier's bed.

Eventually, the sedimentary assemblage forming this bed will be abandoned some distance down-ice from its various sources. This is the process of glacial till deposition. When this deposition occurs at the base of the moving ice of a glacier, the sediment is called lodgement till. Rarely, eroded unconsolidated sediments can be preserved in the till along with their original sedimentary structures. More commonly, these sediments lose their original structure through the mixture processes associated with subglacial transport and they solely contribute to form the more or less uniform matrix of the till.

9 PM (Till I Come)

"9 PM (Till I Come)" is a song by German electronic dance music producer ATB, featuring uncredited vocals by Yolanda Rivera released as his debut single and the lead single from his debut album Movin' Melodies (1998).

"9 PM (Till I Come)" was the first song to feature the sound of a pitched guitar, which was so striking for the first singles to be released as ATB. Apparently Tanneberger was fooling around with his studio-equipment, while he was showing someone around. He liked the sound so much that it became his trademark, and a worldwide dance hit.

Chart performance

"9 PM (Till I Come)" peaked at number 14 on the German Singles Chart. Internationally, the song was also successful. The single entered at number one in the United Kingdom for the week ending July 3, 1999 and stayed there for two weeks, becoming the country's fifth best-selling single of 1999. As of July 2014, it has sold over 890,000 copies in the UK. The song was also number one in the Republic of Ireland for 2 consecutive weeks. It was number three in Belgium and Norway, number five in Belgium, number seven in Italy and number ten in Australia.

ATB

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Andre Tanneberger (German pronunciation: [ʔanˈdʁeː ˈtanəbɛʁɡɐ]), under his stage name of ATB, (born 26 February 1973 in Freiberg, Saxony, Germany) is a German DJ, musician, and producer of electronic dance music. According to the official world DJ rankings governed by DJ Magazine, ATB was ranked #11 in 2009 and 2010, and #15 in 2011. In 2011, he was ranked as world number 1 according to "The DJ List". He is best known for his 1999 single "9 PM (Till I Come)" which was a number one single in the United Kingdom.

Musical career

Tanneberger started his music career with the dance music group Sequential One. In February 1993, Sequential One released their debut single "Let Me Hear You", followed by "Dance"/"Raving". Singles brought them small financial benefits; André gained the opportunity to organize a mini-studio. In 1994 the band increased by three members: Ulrich Poppelbaum, Woody van Eyden and vocalist Morpha. In early 1995 the House Nation label released the group's first album, Dance.