She then devoted herself to private studies with Prof. Wolfram König, attended master classes with Max Rostal, Seymion Snitkovsky as well as chamber music courses with the LaSalle Quartet.
She recorded world premiere CDs of chamber music by Fanny Hensel born Mendelssohn, Ethel Smyth, Germaine Tailleferre, Grażyna Bacewicz, and other women composers.
In 1997, together with the German pianist Wolfram Lorenzen, Eggebrecht published three volumes of CD recordings of Max Reger’s Piano Chamber Music.
In 2000, she issued, together with the cellist Friedemann Kupsa, the world premiere recording of the Sonata for violin and violoncello (1947) by the Greek Schoenberg pupil Nikos Skalkottas, and the Sonatina op.
With Friedemann Kupsa, she presented, in 2002, the world premiere of the Duo-Sonata (1985) by the Romanian avant-garde composer Anatol Vieru and the "Strassenmusik No 16", op.