Bravuras From the Years Before the German Revolution 
Romantic piano music with Sontraud Speidel in the Stephansaal
[...] The enthusiastic applause confirmed the ardent force and the affected spirit of Sontraud Speidel, making charming chamber pieces from the music of the years before the German revolution .
[...] In Carl Maria von Webers Piano Sonata no. 1 in C Major op. 24, whose finale haunts the concert hall, and the sonatas main Perpetuum mobile, the pianist made the opera composer perceptible, and she amazed with her accuracy in countless difficult passages. At the conclusion after the thrillingly played last movement, the entire audience was completely with her.
uha, Badische Neueste Nachrichten
Translation: Dr. Jürgen Rodeland, John