PIRATE PRODUCTIONS Bert Kwant
| Show (year) | Role |
| Young Frankenstein (2018) | Clarinet / Alto Sax |
| Oliver! (2016) | Clarinet 1 |
| Calamity Jane (2010) | Clarinet |
| Thoroughly Modern Millie (2009) | Clarinet, Bass Clarinet, Alto Sax |
| La Cage aux Folles (2006) | Clarinet / Alto Sax |
| Man of La Mancha (2005) | Clarinet |
| The Mikado (1996) (1996) | Clarinet |
| Fiddler on the Roof (1995) | Clarinet |
| Ruddigore (1987) | Clarinet |
| The Sorcerer (1987) | Clarinet |
| HMS Pinafore (1986) | Clarinet |
| The Gondoliers (1984) | Clarinet, Orchestral link-man |
| The Mother Goose Show (1984) | Clarinet |
| Patience (1983) | Clarinet |