| com-4 | This user is a professional composer. |
| arr-4 | This user is a professional arranger. |
| gui-2 | This user is an intermediate guitarist. |
| hn-2 | This user is an intermediate hornist. |
| tba-2 | This user is an intermediate tubist. |
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Guillaume de Machaut. |
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J.S. Bach. |
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Gabriel Fauré. |
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Dmitri Shostakovich. |
