| – FeG Geisweid | Homepage der Freien evangelischen Gemeinde Siegen-Geisweid |
| – NCM | Homepage des Nederlands Concert Mannenkoor |
| – ISB | The International Staff Band |
| – NY Staff Band | The New York Staff Band |
| – WORLD OF BRASS | The home of brass sound |
| – CVJM Siegerland | Bläserkreis des CVJM Siegerland |
| – Cologne Concert Brass | Cologne Concert Brass |
