The catalog number is Excello had sequential numbers, and since they started out in the 78 era, they added to the front to indicate that it was a 45rpm vinyl record. If we make our own record label, we can have the cat number for our first release look like this UM Then we can have UM and UM for our second and third release.
The U and M in the cat number are from U nified M anufacturing and the numbers signify the order of the releases. Factory Records , a record label from Manchester, was one of the labels that was well known for their catalog numbers. They always used FAC at the beginning of their catalog numbers.
They did not only use these catalog numbers for their record or CD releases, they have also given their catalog numbers to posters and many more things unrelated to music releases. Catalog numbers can be placed in different places and it depends on where the record label wants to put it. However, there is a general rule for the placement of the catalog numbers for vinyl records.
They are usually printed on the spine of the album or on the back cover of the vinyl record jacket. The earliest discs were all one-sided. The catalogue number was therefore often the same as the matrix number for these discs. However, some single-sided discs also had specific catalogue numbers. When double-sided discs were introduced ca. This proved a cumbersome method for identifying the discs and a single catalogue number soon became common to both sides of the disc.
Some discs, especially from the pre period however, also had a separate number to identify each side of the disc. This was known as a face number, and often appeared in addition to the catalogue number and to the matrix number. From the s onwards, record catalogue numbers became more standardised and are usually easy to identify. Often a simple number was all that was used, but commonly a prefix of one or more letters was added to identify various series on the same label or just to make the plain number specific to that particular label.
With the introduction of different disc formats, such as 45 rpm and LP records, the dominant types of records marketed in the s, there was often a need to distinguish between different formats of the same recording which might exist on both a 78 rpm and a 45 rpm disc or to indicate different sizes of long-playing records such as 10 inch and 12 inch LPs.
This is especially true for international releases on imprints controlled by major companies. In cases like this, you can click the "Add Label" button to add them all. Some box sets will have a separate cat number for each disc, and then an overall number that appears on the outer packaging. It is currently not possible to enter them at the medium level, so they can either be added to the full release or listed in the annotation.
Some labels include the name of the imprint or a shortened version as part of the catalogue number.
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