| 1.
視聴覚資料 |
ＡＶ
|
Beethoven ... [et al.] ; Hermann Prey, baritone ; Leonard Hokanson, piano
|
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| 2.
視聴覚資料 |
ＡＶ
|
Schubert ... [et al.] ; Hermann Prey, baritone ; Wilhelm Schüchter, conductor ; Konrad Richter, harpsicord, piano
|
