In 1993 Eggebrecht produced the complete songs of the French composer and pedagogue Nadia Boulanger, their first release on CD, and similarly the instrumental and piano songs of Ethel Smyth in 1997.
In 1993, Eggebrecht published the entire song collection of French composer Nadia Boulanger, making it available for the first time on CD.  They followed this with a release of Ethel Smyth's instrumental and piano pieces in 1997.