Petri, Egon - Autograph Note Signed Autographs Singers 50 or less U-V considered one of the earliest

considered one of the earliest recordings ever made:

Shown are scans of front page and central pages

Austrian violinist and later in life teacher (1915-2002)

concerning the foundations of his music theory

signed by Biden on full title page

Petri, Egon - Autograph Note Signed Autographs Singers 50 or less U-V considered one of the earliestDutch American pianist (1881 1962) who had a superb technique and a powerful sonority and was a superlative exponent of the larger works of Beethoven, Liszt, and Brahms. Autograph note in English on a card signed by him wishing happy holidays. Size is 3. 2 x 2. 6 inches, in excellent condition.