Rock (geology)

In geology, rock or stone is a naturally occurring solid aggregate of one or more minerals or mineraloids. For example, the common rock granite is a combination of the quartz, feldspar and biotite minerals. The Earth's outer solid layer, the lithosphere, is made of rock.

Rocks have been used by mankind throughout history. From the Stone Age, rocks have been used for tools. The minerals and metals found in rocks have been essential to human civilization.

Three major groups of rocks are defined: igneous, sedimentary, and metamorphic. The scientific study of rocks is called petrology, which is an essential component of geology.

Classification

At a granular level, rocks are composed of grains of minerals, which, in turn, are homogeneous solids formed from a chemical compound that is arranged in an orderly manner. The aggregate minerals forming the rock are held together by chemical bonds. The types and abundance of minerals in a rock are determined by the manner in which the rock was formed. Many rocks contain silica (SiO₂); a compound of silicon and oxygen that forms 74.3% of the Earth's crust. This material forms crystals with other compounds in the rock. The proportion of silica in rocks and minerals is a major factor in determining their name and properties.

Stones (surname)

Stones is a surname. Notable people with the surname include:

See also

Stones (Dan Seals album)

Stones is the debut solo album released by Dan Seals after he parted ways from the duo England Dan & John Ford Coley to pursue a career in country music. It is his only album using the 'England Dan' moniker. "Late at Night", "Stones (Dig a Little Deeper)", and "Love Like the Last Time" were released as singles but did not appear on the Hot Country Songs charts, although "Late at Night" did appear on the US Hot 100 chart, and peaked at #57 on that chart. This album was finally released on CD in 2006 on the Wounded Bird label.

Track listing

Low (Flo Rida song)

"Low" is the debut single by American rapper Flo Rida, featured on his debut studio album Mail on Sunday and also featured on the soundtrack to the 2008 film Step Up 2: The Streets. The song features fellow American rapper T-Pain and was co-written with T-Pain. There is also a remix in which the hook is sung by Flo Rida rather than T-Pain. An official remix was made which features Pitbull and T-Pain. With its catchy, up-tempo and club-oriented Southern hip hop rhythms, the song peaked at the summit of the U.S. Billboard Hot 100.

The song was a massive success worldwide and was the longest running number-one single of 2008 in the United States. With over 6 million digital downloads, it has been certified 7× Platinum by the RIAA, and was the most downloaded single of the 2000s decade, measured by paid digital downloads. The song was named 3rd on the Billboard Hot 100 Songs of the Decade. "Low" spent ten consecutive weeks on top of the Billboard Hot 100, the longest-running number-one single of 2008.

Radio (Darius Rucker song)

"Radio" is a song co-written and recorded by American country music artist Darius Rucker. It was released on July 22, 2013 as the third single from his album True Believers. Rucker wrote the song with Luke Laird and Ashley Gorley.

Content

The song is a reflection on the narrator's teenage years: specifically, of borrowing his mother's car to take his girlfriend for a ride, and listening to songs on the radio while doing so.

Critical reception

The song generally received favorable reviews. Bobby Peacock of Roughstock gave the song four and a half stars out of five, saying that "it sounds like the kind of fun song you would want to hear on the radio at a memorable moment." Peacock praised Rucker's "all-smiles delivery" and the song's "incredibly catchy melody and tight production." He also compared its theme to "I Watched It All (On My Radio)" by Lionel Cartwright. Tammy Ragusa of Country Weekly gave the song an A grade, calling it "the perfect marriage of an artist’s effervescent personality with an upbeat song, this one about the love of music." Billy Dukes of Taste of Country gave the song two and a half stars out of five, writing that "the uptempo tribute to young love, open roads and, of course, the radio is familiar and easy to fall for, especially when powered by Rucker’s unequaled exuberance." However, Dukes also called the song "a little fluffy" and "not difficult to forget."

X-Dream

X-Dream are Marcus Christopher Maichel (born May 1968) and Jan Müller (born February 1970); they are also known as Rough and Rush. They are some of the cult hit producers of psychedelic trance music and hail from Hamburg, Germany.

The latest X-Dream album, We Interface, includes vocals from American singer Ariel Electron.

First work

Muller was educated as a sound engineer. Maichel was a musician familiar with techno and reggae, and was already making electronic music in 1986. In 1989 the pair first met when Marcus was having problems with his PC and someone sent Jan to help fix it. That same year they teamed up to work on a session together. Their first work concentrated on a sound similar to techno with some hip hop elements which got some material released on Tunnel Records.

Trance

During the early 1990s they were first introduced to the trance scene in Hamburg and decided to switch their music to this genre. From 1993 they began releasing several singles on the Hamburg label Tunnel Records, as X-Dream and under many aliases, such as The Pollinator. Two albums followed on Tunnel Records, Trip To Trancesylvania and We Created Our Own Happiness, which were much closer to the original formula of psychedelic trance, although featuring the unmistakable "trippy" early X-Dream sound.