An original draft manuscript of Richard Strauss' Fruhling is valued at £150,000-200,000 ($247,095-329,460) ahead of sale at Sotheby's London on November 20.
The work is one of the composer's Four Last Songs, completed in 1948 - the year before he died - and considered among his greatest achievements.
 Strauss' Four Last Songs are among his greatest achievements |
It's a working arrangement of the orchestral score set across four staves.
Strauss died before he could see his final masterpiece performed. The premiere took place at London's Albert Hall in 1950.
A journal belonging to Johann Andreas Silbermann (1712-1783), organ builder to JS Bach (among others), is estimated at £100,000-150,000 ($164,730-247,095).
It relates Silbermann's travels throughout Germany, with anecdotes on meeting some of the most important musicians and composers of the era.
Sotheby's commented: "Its significance lies not only in its relation to music, musicians and organ building, but in its presentation of a picture of mid Germany in 1741, its great men and women, its sounds, sights, treasures, food and patterns of life.
"It is entirely unpublished in this form. It is a source that has been scarcely touched and has not apparently been used in any scholarly work on Bach and his heirs or on the Silbermann family."
We have an original musical score from John Coltrane, one of the greatest musical minds to have ever lived.
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