It s used to define the length of a product that is made by a musician.
Vinyl records lp meaning.
Each side of a 12 inch record can include up to 26 minutes of music per side.
New lp discs were made of pvc vinyl and played with a smaller tipped microgroove stylus at 33 1 3 rpm.
The format is useful when an album s worth of material is being pressed by a small plant geared for the production of singles rather than albums and may have novelty value which can be turned to advantage for publicity purposes.
It s longer than a single and also longer than a ep album.
A hydraulic press that compresses the vinyl biscuit between two stampers and produces pressed records.
Apart from a few relatively minor refinements and the important later addition of stereophonic sound it remained the standard format for record albums until its gradual replacement from the 1980s to the.
The lp was popular with classical music due to the longer playback time but was eventually picked up by pop and rock acts in the 1960s as artists took advantage of the longer playing time to create a more complete body of work.
Pressed records are not made from blank discs.
To add onto this to answer the question of why a particular album may have a release that is a single lp and a separate release that is a 2xlp it is because these albums have been re cut to a lacquer and also likely remastered and thus use different plates to press the records.
As vinyl records the most common format for the double ep they consist of a pair of 7 inch discs recorded at 45 or 33 1 3 rpm or two 12 inch discs recorded at 45 rpm.
While the term lp originally and still is referred to a longer length vinyl the term is now also often used for cds and digital downloads.