||The Oath - Piano Score with Voice. This was written in 1937 by Lev Pulver and realized and edited in 2019 by Sergei Leonov.
This is a duet (Sop. and Tenor/Baritone) for the two main characters in the play.
This piece was written for the Moscow State Yiddish Theatre. Lost for many years, it was discovered by Sergei Leonov. Also available as a PDF.