How many grooves are on one side of a standard 33RPM vinyl LP record?
LP record the original dance club (non-radio) definition was simply somebody who played records, alternating between two turntables. The skill came in subtly matching beats or instruments from one song to the next, providing a consistent dance tempo. DJs also made occasional announcements and chatted with patrons to take requests while songs were actually playing, similar to what radio disc jockeys have been doing since the 1940s. LP record The LP (from "long playing" or "long play") is an analog sound storage medium, a vinyl record format characterized by a speed of rpm, a 12- or 10-inch (30- or 25-cm) diameter, and
LP record 45-minute playing time. A small number of albums exceeded the 52-minute limit. But these records had to be cut with much narrower spacing between the grooves, which allowed for a much smaller amount of dynamic range on the records, and meant that playing the record with a worn needle could damage the record. It also resulted in a much quieter sound. The list of long-playing vinyl records includes the 90-minute 1976 LP "90 Minutes with Arthur Fiedler and the Boston Pops", made by Radio Shack; Genesis' "Duke", with each side exceeding 27 minutes; Bob Dylan's 1976 album "Desire", with side