The 2.003 - 2.004 Annual Concerts Series organized by the BEMF gather a renowed group of early music ensembles and performers that come from seven different countries and will offer their recitals in a cycle of concerts that will start in October 2003 and finish in April 2.004.

The groups and musicians invited to take part on this 2.003 - 2.004 edition are:

- Andrew Manze (UK).
- Musica Antiqua Köln (Germany).
- The Tallis Scholars (UK).
- Trio Mediaeval (Norway).
- Netherlands Bach Society (Holland).
- REBEL (USA).
- Andreas Scholl& Markus Märkl (Germany).
- Les Talens Lyriques (France).
- Hespèrion XXI (Spain).