|   | 
          | 
        Post-Doo-Wop 
        (After 1963) | 
          | 
          | 
          | 
    
    
        |   | 
          | 
        Nonsense Syllables | 
         
        Words replace nonsense 
        syllables as background 
        responses 
         | 
          | 
          | 
    
    
        |   | 
          | 
        Harmony Part | 
         
        recedes into background 
         | 
          | 
          | 
    
    
        |   | 
          | 
        Bass | 
         
        used less as a separate 
        voice throughout 
         | 
          | 
          | 
    
    
        |   | 
          | 
        Beat | 
         
        remains heavy in most new 
        musics 
         | 
          | 
          | 
    
    
        |   | 
          | 
        Instrumentation | 
         
        instruments much more 
        important 
         | 
          | 
          | 
    
    
        |   | 
          | 
        Melody | 
         
        significantly more variation 
        melodies 
         | 
          | 
          | 
    
    
        |   | 
          | 
        Lyrics | 
         
        most lyrics still deal with 
        love, but social 
        commentary & politicizing 
        appears 
         | 
          | 
          | 
    
    
        |   | 
          | 
        Falsetto | 
         
        most lyrics still deal with 
        love, but social 
        commentary & politicizing 
        appears 
         | 
          | 
          |