![](https://www.wired.com/images_blogs/thisdayintech/2010/06/4001label.jpg)
Volt egyszer -a sellak lemez után, de a kislemez előtt- a "hosszan játszó" nagylemez.
Columbia Records held a press conference at the famed Waldorf Astoria hotel in New York City on June 18, 1948, in which label president Goddard Lieberson introduced its new “microgroove” 33 1/3 RPM long-playing 12-inch vinyl phonograph record disc to the world.
Until then, music had been sold on 10-inch 78 RPM shellac discs. The new format was lighter, thinner and far-less apt to break in everyday usage, and could play up to 20-minutes (and later more) per side (as opposed to the four to five minute length on a 78).
![](https://bestclassicbands.com/wp-content/uploads/2015/07/Columbia-Records-Vinyl-Intro.jpeg)
![Kapcsolódó kép](https://i1.wp.com/www.whiskybits.com/wp-content/uploads/2017/07/sizes.jpg)
Egy évtized elteltével -a lemez méretének is köszönhetően- létrejött a lemezborító művészet (cover art) többféle ága (pl. a Sleeveface).
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5LqLqSSnFTKrVTv7ABtEQokBF1Ln_u63sc9VmCDsVbwIN9KwUh0xEfPC-zVsVnlS40z1IGZCm1QkWX374HQEn4y_QOZ9lw_4eVi1j8uqhdKU9Cd2c1WuActAceqNj8EP0HpheVVvhdGDE/s200/sleeveface_group_shot_small.jpg)