Double whole note either of two ways: by a hollow oval note head, like a whole note, with one or two vertical lines on either side, as on the left of the image, or as the rectangular shape also found in older notation, shown in the middle of the image (; ). Because it lasts longer than a bar in most modern time signatures in common use, the breve is rarely encountered except in English music, where the half-note is often used as the beat unit . A related symbol is the double whole rest (double rest or breve rest), which usually denotes
Four on the floor (music) Four on the floor (music) Four-on-the-floor (or four-to-the-floor) is a rhythm pattern used primarily in disco and electronic dance music. It is a steady, uniformly accented beat in 4/4 time in which the bass drum is hit on every beat (1, 2, 3, 4) in common time. This was popularized in the disco music of the 1970s and the term "four-on-the-floor" was widely used in that era: it originated with the pedal-operated, drum-kit bass drum. Earl Young is seen as the inventor of the disco style of rock drumming (in Harold Melvin & The Blue Notes's "The Love I Lost"