[ 수록곡 ]
1. The silver scale (1957)  
2. Pitch variations (1957)  
3. Stochatta (1959)  
4. Numerology (1960)  
5. The second law (1961)  
6. Bicycle built for two (1961)  
7. Study Nr. 1 (1961)  
8. Study Nr. 2 (1961)  
9. Variations in timbre and attack (1961)  
10. Sea sounds (1963)  
11. Masquerades (1963)  
12. Dialogue (1963)  
13. Pipe and drum (1963)  
14. Trio (1965)  
15. Mudgett, Monologues for a mass murderer (1965)  
16. International lullaby (1966)  
17. Eight-tone canon (1966)  
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