Library of Congress Classification
Collections, Critical Editions: M1-5
M1 - Anthologies
M2 - Collections by two or more composers (Historical Sets or Monuments)
M3 - Collected works of individual composers
M3.1 - Selection
M3.5 - First editions
Instrumental Music: M5-1490
M5-190 - Solo instruments
M191-990 - Chamber music
M1000-1160 - Orchestra
M1200-1270 - Band
M1350-1366 - Jazz
M1376-1420 - Instrumental music for children
M1450 - Dance (ballet, folk)
M1470-1480 - Aleatory, electronic, with color
Vocal Music: M1495-2199
M1495 - Collections
Secular vocal music: M1497-1998
M1528-1529.5 - Vocal chamber music
M1530-1609 - Choruses
Sacred vocal music: M1999-2199
M1999 - Collections
Band music – Scores
Orchestra music – Scores
Chamber orchestra music – Scores
String orchestra – Scores
Musicals – Vocal scores with piano
Masses – Vocal scores
Concertos (Saxophone with band)
Formats
Full score: complete composition with each part displayed on separate staff
Conductor's score: full score of sufficient size to be read by a conductor
Miniature score (study score, pocket score): size reduction of a full score generally for study purposes
Condensed score (particella): principal instrumental parts printed usually two to four staves to provide basic melodies and harmony, with instrumentation shown by exact indications within staves
Performance score (playing score): full score intended for use in place of a part during performance, usually used by a pianist in chamber music; not intended for scholarly study, may not discuss editorial decisions
Score and parts: usually for chamber music, contains score and all parts issued together
Parts: music issued for a single instrument or voice
Piano reduction (piano score): full orchestration reduced for keyboard with a separate staff for the soloist; also an orchestra score reduced to a piano version
Vocal score (piano vocal score, organ vocal score): separate lines for vocal soloist and chorus with reduced instrumental accompaniment
Chorus score: choral parts are displayed with no accompaniment or accompaniment reduced for keyboard
Close score: used for vocal music, puts all vocal parts on two staves
Editions
Definitive edition, critical edition, scholarly edition: intended as a scholarly, authoritative source based from primary sources and the composers intent; contains commentary to explain editorial differences and explanation
Complete edition/works, collected edition/works, Gesamtausgabe, sämtliche Werke, opera omnia: considered critical or scholarly, typically published in multiple volumes
Historical edition/set, monument, Denkmal: critical edition that includes compositions by various composers that are somehow connected
Urtext edition: originally meant to be free of editorial intervention, it now often contains editors' reconstructions of composers' original texts
Facsimile: photographic reproduction or original manuscript or print copy
Practical edition: intended for performance, omits historical and critical notes
Composers' Collected Works
Manuscripts and Early Editions