048 - NUMBER OF MUSICAL INSTRUMENTS OR VOICES CODE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Source of code
         # - MARC code
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Performer or ensemble (R)
      $b - Soloist (R)
      $2 - Source of code (NR)
      $8 - Field link and sequence number (R)
   Instrument or Voices Codes
      ba - Brass - Horn
      bb - Brass--Trumpet
      bc - Brass--Cornet
      bd - Brass--Trombone
      be - Brass--Tuba
      bf - Brass--Baritone
      bn - Brass--Unspecified
      bu - Brass--Unknown
      by - Brass--Ethnic
      bz - Brass--Other
      ca - Choruses--Mixed
      cb - Choruses--Women's
      cc - Choruses--Men's
      cd - Choruses--Children's
      cn - Choruses--Unspecified
      cu - Choruses--Unknown
      cy - Choruses--Ethnic
      ea - Electronic--Synthesizer
      eb - Electronic--Tape
      ec - Electronic--Computer
      ed - Electronic--Ondes Martinot
      en - Electronic--Unspecified
      eu - Electronic--Unknown
      ez - Electronic--Other
      ka - Keyboard--Piano
      kb - Keyboard--Organ
      kc - Keyboard--Harpsichord
      kd - Keyboard--Clavichord
      ke - Keyboard--Continuo
      kf - Keyboard--Celeste
      kn - Keyboard--Unspecified
      ku - Keyboard--Unknown
      ky - Keyboard--Ethnic
      kz - Keyboard--Other
      oa - Larger ensemble--Full orchestra
      ob - Larger ensemble--Chamber orch.
      oc - Larger ensemble--String orchestra
      od - Larger ensemble--Band
      oe - Larger ensemble--Dance orchestra
      of - Larger ensemble--Brass band
      on - Larger ensemble--Unspecified
      ou - Larger ensemble--Unknown
      oy - Larger ensemble--Ethnic
      oz - Larger ensemble--Other
      pa - Percussion--Timpani
      pb - Percussion--Xylophone
      pc - Percussion--Marimba
      pd - Percussion--Drum
      pn - Percussion--Unspecified
      pu - Percussion--Unknown
      py - Percussion--Ethnic
      pz - Percussion--Other
      sa - Strings, bowed--Violin
      sb - Strings, bowed--Viola
      sc - Strings, bowed--Violoncello
      sd - Strings, bowed--Double bass
      se - Strings, bowed--Viol
      sf - Strings, bowed--Viola d'amore
      sg - Strings, bowed--Viola da gamba
      sn - Strings, bowed--Unspecified
      su - Strings, bowed--Unknown
      sy - Strings, bowed--Ethnic
      sz - Strings, bowed--Other
      ta - Strings, plucked--Harp
      tb - Strings, plucked--Guitar
      tc - Strings, plucked--Lute
      td - Strings, plucked--Mandolin
      tn - Strings, plucked--Unspecified
      tu - Strings, plucked--Unknown
      ty - Strings, plucked--Ethnic
      tz - Strings, plucked--Other
      va - Voices--Soprano
      vb - Voices--Mezzo Soprano
      vc - Voices--Alto
      vd - Voices--Tenor
      ve - Voices--Baritone
      vf - Voices--Bass
      vg - Voices--Counter tenor
      vh - Voices--High voice
      vi - Voices--Medium voice
      vj - Voices--Low voice
      vn - Voices--Unspecified
      vu - Voices--Unknown
      vy - Voices--Ethnic
      wa - Woodwinds--Flute
      wb - Woodwinds--Oboe
      wc - Woodwinds--Clarinet
      wd - Woodwinds--Bassoon
      we - Woodwinds--Piccolo
      wf - Woodwinds--English horn
      wg - Woodwinds--Bass clarinet
      wh - Woodwinds--Recorder
      wi - Woodwinds--Saxophone
      wn - Woodwinds--Unspecified
      wu - Woodwinds--Unknown
      wy - Woodwinds--Ethnic
      wz - Woodwinds--Other
      zn - Unspecified instruments
      zu - Unknown