Original sentence: Hermann Ludwig Blankenburg (14 November 1876 – 15 May 1956) was a German composer of military marches with at least 300 marches published and probably many more lost or destroyed.sv:Hermann Ludwig Blankenburg
Edited sentence: At least 300 of his marches published but probably many more are lost or destroyed.sv:Hermann Ludwig BlankenburgHermann Ludwig Blankenburg (14 November 1876 – 15 May 1956) was a German composer of military marches