On October 18, 2004 Avanti celebrated its 39-th anniversary with a concert. We have photos and recordings from this concert.
| Avanti Mars | Jean Boeckx |
| Adagietto | Jacob de Haan |
| Ave Verum | Wolfgang Amadeus Mozart |
| Pavane | Gabriel Fauré |
| Adagio for Strings | Samuel Barber |
| Viool Concerto BWV 1042 | Johan-Sebastian Bach |
| Slavische Dans nr. 8 |
Anton Dvorak |
| Concerto Romantique |
Willy Dorsel |
| Funiculi-Funicula | Luigi Denza arr. G. Schwenk |
| Olé Guapa | Malando arr. Danny Malando and Paul De Bra |
| Cent
Mille Chansons |
Eddy Marnay en Michel Magne arr. Rogier van Otterloo and Paul De Bra |
| Oblivion | Astor Piazzolla |
| Ballad and Dance | Jacob de Haan arr. Tesse Telman |
| The Lion King | Elton John arr. H. van Dungen en H.G.Kölz |
| Rule Britannia | Thomas Augustine Arne arr. Paul De Bra |
| Flick - Flack | Albert Vossen |
| Atlantic Express | Henri Coene |