其他的看这里。你们指的那种独立可能在其他几首里更明显。
http://www.kunstderfuge.com/new/zhang.htm
?Fugues [11] of Xinjiang's Subjects for piano
?MIDI ?1. Four parts Fugue
?MIDI ?2. Four parts Fugue
?MIDI ?3. Five parts Fugue
?MIDI ?4. Four parts Fugue
?MIDI ?5. Eight parts Fugue
?MIDI ?6. Five parts Fugue
?MIDI ?7. Four parts Fugue
?MIDI ?8. Five parts Fugue
?MIDI ?9. Six parts Fugue
?MIDI ?10. Five parts Fugue
?MIDI ?11. Three parts Fugue