Hollywood, CA.
Catalog Number Prefix Key:

B - Mixture
D - Demo Discs
O - Voice Tracks
K - Advertising and Jingles
Q - Instrumental Novelty
P - Pop Songs (non ASCAP)
R - Novelty
S - Pipe Organ
T - Instrumental Series
U - Choral Vocals
V - Folk Music
W - Military Band
X - Current Dance
Y - Old Series, Mixture
Y - Latin American Pop Songs (Dance)
Z - Popular Concert
Theme Series 1-24

(according to the Charles Garrod Standard Transcription Listing discography)

Markings, abbreviations, and symbols on track title are similar to those used on Keystone Broadcasting System labels.

Example:

Love is Gone (BMI) 2:57 (2 3/4) (cs-f)

Track Title - (Music Publisher) - Track Length - (Revolutions) - (Tempo)

Revolutions appear to be approximate number of revolutions at the beginning of the track starting at the arrow cut into the deadwax. Tracks also end with locked grooves.

Other abbreviations include:

P.D. = Public Domain

cad = Classical Adagio

cf = Classical Fast tempo

cs = Classical Slow tempo

cwadm = Classical Waltz Adagio Medium tempo

ftf = Foxtrot Medium Fast tempo

ftm = Foxtrot Medium tempo

ftmf = Foxtrot Medium Fast tempo

fts = Foxtrot Slow tempo

nftmf = Novelty Foxtrot Medium Fast tempo

scm = Salon Classical Medium tempo

scmf = Salon Classical Medium Fast tempo

scs = Salon Classical Slow tempo

swgf = Swing Fast tempo

wm = Waltz Medium tempo