Capitol Custom

Capitol Custom Services (also Capitol Custom Services Department) operated two studios for recording, editing, tape dubbing and lacquer mastering/processing: one in Hollywood and one in New York City. Operative between 1953 and 1973. Label and/or runout identifiers: #B-nnnn-Ny% or #B-nnn (sometimes preceded by a 45-), where # is a letter for the year (see below) nnn / nnnn are numerics, e.g. 688 or 2287 (with consecutive 2288 on side B), and y is a digit, e.g. 1 or 2 or 4 etc., and % is a letter, e.g. C or D. Examples: 45-GB-912-N1 / 45-GB-913-N2 (runouts), GB-912 / GB-913 (labels) EB-2604-N1B / EB-2605-N1C (runouts), EB-2604 / EB-2605 (labels) The letter preceding the B always signified the year of assignation of numbers, as follows: CB = 1953 DB = 1954 EB = 1955 FB = 1956 GB = 1957 HB = 1958 JB = 1959 KB = 1960 LB = 1961 MB = 1962 OB = earlier 1963 PB = later 1963 RB = 1964 TB = 1965 UB = 1966 WB = 1967 XB = 1968 YB = 1969 ZB = 1970-71 AAB = 1971-72 Three digits in the matrix number (#B-nnn) usually signified numbers assigned out of New York, four digits (#B-nnnn) out of Hollywood. This was in effect for all speeds and formats (33 1/3, 45, 78, Mono, Stereo).