Double-drumming was developed to enable one person to play the bass and snare with sticks, while the cymbals could be played by tapping the foot on a "low-boy". With this approach, the bass drum was usually played on beats one and three (in 4/4 time). While the music was first designed to accompany marching soldiers, this simple and straightforward drumming approach eventually led to the birth of ragtime music when the simplistic marching beats became more syncopated. This resulted in a greater 'swing' and dance feel. The drum set was initially referred to as a "trap set", and from the late 1800s to the 1930s, drummers were referred to as "trap drummers". By the 1870s, drummers were using an "overhang pedal". Most drummers in the 1870s preferred to do double drumming without any pedal to play multiple drums, rather than use an overhang pedal. Companies patented their pedal systems such as Dee Dee Chandler of New Orleans 1904–05. Liberating the hands for the first time, this evolution saw the bass drum played with the foot of a standing percussionist (thus the term "kick drum"). The bass drum became the central piece around which every other percussion instrument would later revolve.
Drumming may be a purposeful expression of emotion for entertainment, spiritualism and communication. Many cultures practice drumming as a spiritual or religious passage and interpret drummed rhythm similarly to spoken language or prayer. Drumming has developed over millennia to be a powerful art form. Drumming is commonly viewed as the root of music and is sometimes performed as a kinesthetic dance. As a discipline, drumming concentrates on training the body to punctuate, convey and interpret musical rhythmic intention to an audience and to the performer.
I then set out to a few local Los Angeles music stores to get my hands on some keys, talk to the store employees who work around these instruments every day, and start to whittle down the list. After contacting manufacturers to request samples and/or to get suggestions on pianos that might better fit our guidelines (or, in one case, to inform us of a model that was being discontinued), the list was narrowed down to seven keyboards.
Most basses have a volume potentiometer ("pot" or "knob"), which can be turned up or down, and a tone potentiometer, which rolls off the high frequencies when it is turned to the player's right. Some basses may also have a pickup selector control or switch, to select single-coil or humbucking pickups. Since the 1980s, basses are often available with battery-powered "active" electronics that boost the signal with a preamplifier and provide equalization controls to boost or cut bass and treble frequencies, or both. Some expensive basses have even more equalization options, such as bass, middle and treble.