In which format, introduced in 1948, was the album Showcase released in?
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 33 ⁄ rpm, a 12 or 10 inch (30 or 25 cm) diameter, and use of the "microgroove" groove specification. Introduced by Columbia in 1948, it was soon adopted as a new standard by the entire record industry. Apart from a few relatively minor refinements and the important later addition of stereophonic sound, it has remained the standard format for vinyl albums.
Vogue Records Vogue Records was a short-lived United States-based record label of the 1940s, noted for the artwork embedded in the records themselves. Founded in 1946 as part of Sav-Way Industries of Detroit, Michigan, the discs were initially a hit, because of the novelty of the colorful artwork, and the improved sound compared to the shellac records dominant at the time. The discs were manufactured by first sandwiching printed illustrations around a core of aluminum, then coating both sides with clear vinyl upon which the grooves were stamped.