Where to find performance materials
a comparison of classification systems
| Subject | Library of Congress | Dewey |
| Monuments of Music | M2 | M780.82 |
| Collected works of individual masters |
M3 - M4 | M780.81 |
| Instrumental Music 1 instrument, unaccompanied |
M5 - M1450 M6 - M176 |
--- |
| Organ | M6 - M19 | M786.8 |
| Piano | M20 - M39 | M786.41 |
| Violin | M40 - M44 | M787.1; M787.141 |
| Viola | M45 - M49 | M787.2; M787.241 |
| Violoncello | M50 - M54 | M787.3; M787.341 |
| Double-Bass | M55 - M58 | M787.4; M787.441 |
| Flute | M60 - M64 | M788.51; M788.5141 |
| Oboe | M65 - M69 | M788.7; M788.741 |
| Clarinet | M70 - M74 | M788.62; M788.6241 |
| Bassoon | M75 - M79 | M788.8; M788.841 |
| Horn | M80 - M84 | M788.41; M788.4141 |
| Trumpet and Cornet | M85 - M89 | M788.1; M788.141 |
| Trombone | M90 - M94 | M788.2; M788.241 |
| Tuba | M95 - M99 | M788.48; M788.4841 |
| Saxophone | M105 - M109 | M788.66; M788.6641 |
| Harp | M115 - M119 | M787.5; M787.541 |
| Guitar | M125 - M129 | M787.61; M787.6141 |
| Drums | M146 | M789 |
| 2 or more solo instruments | M177 - M993 | --- |
| Duos | M177 - M298 | --- |
| Piano (1 instrument, 2 performers) | M200 - M212 | M786.49; M786.491 |
| Piano & violin | M214 - M216 | M786.49; M786.492 |
| Piano & viola | M217 - M 223 | M787.1; M787.142 |
| Piano & violoncello | M224 - M228 | M787.2; M787.242 |
| Piano & double bass | M229 - M236 | M787.3; M787.342 |
| Piano & flute | M237 - M239 | M787.4; M787.442 |
| Piano & oboe, English horn | M240 - M244 | M788.51; M788.5142 |
| Piano & clarinet | M245 - M247 | M788.7; M788.742 |
| Piano & trumpet, cornet | M248 - M252 | M788.62; M788.6242 |
| Piano &trombone, baritone | M253 - M254 | M788.8; M788.842 |
| Piano & tuba | M255 - M259 | M788.41; M788.4142 |
| Piano & saxophone | M268 - M269 | M788.66; M788.6642 |
| Piano & harp | M272 - M273 | M787.5; M787.542 |
| Piano & 2 string instruments | M286 - M287 | M787.042; M787.143; M787.243, etc. |
| Piano & 2 wind instruments | M288 - M289 | M788.042; M788.143; M788.243, etc. |
| Other duos | M290 - M298 | M785.72 |
| Trios | M300 - M385 | --- |
| Piano & 2 strings | M310 - M314 | M787.0446; M787.144; M787.244, etc. |
| Piano & 2 winds | M315 - M319 | M788.0446; M788.144; M788.244, etc. |
| Piano & 2 other solo instruments | M320 - M344 | M785.73 |
| String trios | M349 - M353 | M787.043; M787.143; M787.243, etc. |
| Wind trios | M355 - M359 | M788.043; M788.143, M788.243, etc. |
| Other trios | M360 - M385 | M785.73 |
| Quartets | M400 - M485 | --- |
| Piano & 3 strings | M410 - M414 | M787.0446 |
| Piano & 3 winds | M415 - M419 | M788.0446 |
| Piano & 3 other solo instruments | M420 - M449 | M785.74 |
| String quartets | M450 - M454 | M787.044 |
| Wind quartets | M455 - M459 | M788.044 |
| Other quartets | M460 - M485 | M785.74 |
| Quintets | M500 - M585 | --- |
| Piano & 4 other instruments | M510 - M549 | M787.75; M787.0456; M788.0456 |
| String instruments | M550 - M554 | M787.045 |
| Wind instruments | M555 - M559 | M788.045 |
| Other quintets | M560 - M585 | M785.75 |
| Sextets | M600 - M685 | M785.76; M787.0466; M788.0466; M787.046; M788.046 |
| Septets | M700 - M785 | M785.77; M787.0476; M788.047 |
| Octets | M800 - M885 | M785.78; M787.048; M788.048 |
| Nonets | M900 - M985 | M785.79; M787.049; M788.049 |
| Orchestral, band music | M1000 - M1360 | --- |
| Full orchestra | M1000 - M1075 | --- |
| Symphonies | M1001 | M785.1 |
| Symphonic Poems | M1002 | M785.3 |
| Suites, Partitas, etc. | M1003 | M785.8 |
| Overtures, Preludes, etc. | M1004 | M785.5 |
| Concertos | M1005 - M1041 | --- |
| Organ | M1005 - M1006 | M785.668 |
| Piano | M1010 - M1011 | M785.6641 |
| Strings | M1012 - M1019 | M785.671, etc. |
| Wind | M1020 - M1035 | M785.681, etc. |
| String Orchestra | M1100 - M1160 | M785.47 |
| Band | M1200 - M1270 | M785.12 |
| Juvenile Instrumental Music | M1375 - M1420 | --- |
| Music before 1700 | M1490 | --- |
| Vocal Music | M1495 - M2199 | --- |
| Secular | M1497 - M1998 | --- |
| Dramatic | M1500 - M1527 | M782.1 |
| Choral Music, part songs, etc. | M1528 - M1608 | M784.1 |
| Songs for one voice | M1611 - M1626 | M784.3; M784.31 |
| Songs of special character | M1627 - M1998 | --- |
| National (folk, patriotic, etc.) | M 1627 - M1853 | M784.4 |
| Juvenile | M1990 - M1998 | M784.624 |
| Sacred Vocal Music | M1999 - M2199 | --- |
| Oratorios, masses, services, etc. | M2000 - M2017 | M783.3 |
| Cantatas, anthems, part songs | M2018 - M2099 | M783.4 |
| Songs for one voice | M2102 - M2114 | M783.671 |
| Hymn, Psalm, choral books | M2115 - M2146 | M783.9 |
| Liturgy and ritual | M2147 - M2188 | M783.2; M783.5 |