CDs in the University Library are shelved by ANSCR call numbers. The first letter in each ANSCR call number represents the main genre of music included in the recording.
| ANSCR Code | Description |
|---|---|
| A | Early Music |
| B | Operas |
| C | Choral Music |
| D | Vocal Music |
| E | Orchestral Music |
| EA | General Orchestral Music |
| EB | Ballet Music |
| EC | Concertos |
| ES | Symphonies |
| F | Chamber Music |
| G | Solo Instrumental Music |
| GG | Guitar |
| GO | Organ |
| GP | Piano |
| GS | Stringed Instruments |
| GV | Violin |
| GW | Wind Instruments |
| GX | Percussion Instruments |
| H | Band Music |
| J | Electronic or Mechanical Music |
| K | Musicals and Operettas |
| L | Soundtracks |
| MA | Popular Music |
| MC | Country/Western Music |
| MG | Gospel and Contemporary Christian Music |
| MJ | Jazz |
| ML | Latin Pop Music |
| MN | New Age Music |
| MP | Rap Music |
| MR | Rock Music |
| O | Jewish Music |
| P | American Folk and Ethnic Music |
| Q | International Folk and Ethnic Music |
| R | Holiday Music |
| S | Varieties and Humor |
| T | Plays |
| U | Poetry |
| V | Prose |
| W | Documentary: History and Commentary |
| X | Instructional |
| Y | Sounds and Special Effects |
| ZM | Children's Music |
| ZS | Children's Recordings (Spoken) |
