Theme: Tutti - Woodwinds - Brass - Strings - Percussion - Tutti

Variations: Flutes - Oboes - Clarinets - Bassoons
     Violins - Violas - Cellos - Basses, then Harp
     Horns - Trumpets - Trombones & Tuba, then Percussion

Fugue: Piccolo - Flutes - Oboes - Clarinets - Bassoons
     Violins - Violas - Cellos - Basses (with a bit of the theme), then Harp
     Horns - Trumpets - Trombones & Tuba, then Percussion

After the percussionists enter, the original theme returns along with the fugue!