All MARC Form of Musical Composition Codes
- Anthems (an)
- Ballads (bd)
- Bluegrass Music (bg)
- Blues (bl)
- Ballets (bt)
- Chaconnes (ca)
- Chants, Other religions (cb)
- Chants, Christian (cc)
- Concerti grossi (cg)
- Chorales (ch)
- Chorale preludes (cl)
- Canons and rounds (cn)
- Concertos (co)
- Chansons, polyphonic (cp)
- Carols (cr)
- Chance compositions (cs)
- Cantatas (ct)
- Country music (cy)
- Canzonas (cz)
- Dance forms (df)
- Divertimentos, serenades, cassations, divertissements, and notturni (dv)
- Fugues (fg)
- Flamenco (fl)
- Folk music (fm)
- Fantasias (ft)
- Gospel music (gm)
- Hymns (hy)
- Jazz (jz)
- Musical revues and comedies (mc)
- Madrigals (md)
- Minuets (mi)
- Motets (mo)
- Motion picture music (mp)
- Marches (mr)
- Masses (ms)
- Multiple forms (mu)
- Mazurkas (mz)
- Nocturnes (nc)
- Not applicable (nn)
- Operas (op)
- Oratorios (or)
- Overtures (ov)
- Program music (pg)
- Passion music (pm)
- Polonaises (po)
- Popular music (pp)
- Preludes (pr)
- Passacaglias (ps)
- Part-songs (pt)
- Pavans (pv)
- Rock music (rc)
- Rondos (rd)
- Ragtime music (rg)
- Ricercars (ri)
- Rhapsodies (rp)
- Requiems (rq)
- Square dance music (sd)
- Songs (sg)
- Sonatas (sn)
- Symphonic poems (sp)
- Studies and exercises (st)
- Suites (su)
- Symphonies (sy)
- Toccatas (tc)
- Teatro lirico (tl)
- Trio-sonatas (ts)
- Unknown (uu)
- Villancicos (vi)
- Variations (vr)
- Waltzes (wz)
- Zarzuelas (za)
- Other (zz)