Original sentence: Its basic melodic motif is created by two ascending half-tones with an incorporated very sorrowful diminished third, which begins the opus and continues in many variations as the main "leitmotif" running through the entire work
Edited sentence: Its basic melodic motif is created by two ascending half-tones with an incorporated very sorrowful diminished third, which begins the opus and continues in many variations as the main "leitmotif", an importunate eschatologic question running through the entire work