Eduard Birnbaum - a Bibliography
https://jewish-music.huji.ac.il/sites/default/files/06%20Eduard%20Birnbaum%20-%20A%20Bibliography%20pp%20170-178%20-%20Edwin%20Seroussi%20incl%20title%20page%20abreves.pdf
Deals with the nature of Jewish Music (=mainly synagogue music) and with its components (recitatives, N'ginot...).
The article describes a manuscript from the Birnbaum Collection which may date from before the middle of the 18th century. Examples of the Zemirot (Shabbat songs) contained in the Ms, are presented alongside their deciphered texts.