Hauptstimme
（重定向自Countermelody）
![Hauptstimme (first violin) and Nebenstimme (viola) marked in Arnold Schoenberg's Fourth String Quartet, mm. 27–31.[1] Play](/Images/godic/202501/06/Schoenberg_-_Fourth_String_Quartet_-_Hauptstimme_&_nebenstimme_mm.27-310106.png")
In music, Hauptstimme (German for primary voice) or Hauptsatz is the main voice, chief part; i.e., the contrapuntal or melodic line of primary importance, in opposition to Nebenstimme. Nebenstimme (German for secondary voice) or Seitensatz is the secondary part; i.e., a secondary contrapuntal or melodic part, always occurring simultaneously with, and subsidiary to, the Hauptstimme. The practice of marking the primary voice within the musical score/parts was invented by Arnold Schoenberg.