Music Appreciation: History and Commentary	A
Operas: Complete and Highlights	B
Choral Music	C
Vocal Music	D
Orchestral music	(E)
Orchestral music: General Orchestral	EA
Orchestral music: Ballet Music	EB
Orchestral music: Concertos	EC
Orchestral music: Symphonies	ES
Chamber Music	F
Solo Instrumental Music	(G)
Solo Instrumental Music: Guitar	GG
Solo Instrumental Music: Organ	GO
Solo Instrumental Music: Piano	GP
Solo Instrumental Music: Stringed Instruments	GS
Solo Instrumental Music: Violin	GV
Solo Instrumental Music: Wind Instruments	GW
Solo Instrumental Music: Percussion Instruments	GX
Band Music	H
Electronic, Mechanical Music	J
Musical Shows and Operettas: Complete and Excerpts	K
Soundtrack Music: Motion Pictures and Television	L
Popular Music	MA
Country/Western	MC
Contemporary Christian/Gospel	MG
Jazz	MJ
New Age	MN
Rock, Rhythm and Blues, etc.	MR
Folk and Ethnic Music (National)	P
Folk and Ethnic Music (International)	Q
Holiday Music	R
Christmas Music	RC
Varieties and Humor	S
Varieties and Humor: Radio Transcriptions	SR
Varieties and Humor: Television Transcriptions	ST
Plays	T
Poetry	U
Prose (Fiction)	V
Prose (Nonfiction)	VN
Documentary: History and Commentary	W
Instructional or Informational Spoken Recordings	X
Sounds and Special Effects	Y
Children's Recordings	(Z)
Children's Recordings: Instructional	ZI
Children's Recordings: Music	ZM
Children's Recordings: Holiday Music	ZR
Children's Recordings: Christmas Music	ZRC
Children's Recordings: Spoken	ZS
Children's Recordings: Poetry	ZU