The XXI rating provides several types of services:

  • Review and correction of papers for editing;
  • Guidance and techniques in music editing;
  • Adaptations and arrangements for different vocal and instrumental formations;
  • Audio transcription for written notation;
  • Organization of courses and master classes;
  • Training for specific works in musical editing (e.g. tests, transpositions, low ciphers, choir, orchestra, instrumental parts, collection or songing).