Vintage metal Long Playing Records Music Advertising Sign. Made from heavy metal, with predrilled holes and rusted corners. Add a piece of music history to your walls with this record playing vintage sign.The LP (Long Play) microgroove vinyl record, is a format for phonograph records, an analog sound storage medium. Introduced by Columbia Records in 1948, this device was soon adopted as the standard by the entire record industry. RCA Records introduced an early version of a long playing record for home use in 1931.