Part of the KingUnderground's KU Recorded Music Library series, Karl Morgan's 'Hidden Cymbals' album, which consists of 7 original compositions, 15 original drum breaks, bass & drum stems, and open drum hits & percussion.

A1. Onyx (Composition) / A2. Onyx (Bass Stem) / A3. Onyx (Drums Stem) / A4. Amber (Composition) / A5. Amber (Bass Stem) / A6. Amber (Drums Stem) / A7. Topaz (Composition) / A8. Topaz (Bass Stem) / A9. Topaz (Drums Stem) / A10. Jade (Composition) / A11. Jade (Bass Stem) / A12. Jade (Drums Stem) / A13. Emerald (Composition) / A14. Emerald (Bass Stem) / A15. Emerald (Drums Stem) / A16. Spinel (Composition) / A17. Spinel (Bass Stem) / A18. Spinel (Drums Stem) / B1. Aquamarine (Composition) / B2. Aquamarine (Bass Stem) / B3. Aquamarine / B4. Drum Break A (72 BPM) / B5. Drum Break B (90 BPM) / B6. Drum Break C (63 BPM)/  B7. Drum Break D (88 BPM) / B8. Drum Break E (96 BPM) / B9. Drum Break F (76 BPM) / B10. Drum Break G (104 BPM) / B11. Drum Break H (85 BPM) / B12. Drum Break I (105 BPM) / B13. Drum Break J (56 BPM) / B14. Drum Break K (107 BPM) / B15. Drum Break L (80 BPM) / B16. Drum Break M (102 BPM) / B17 .Drum Break N (75 BPM) / B18. Drum Break O (86 BPM) / B19. Drum Fills / B20. Solo Snare Drum / B21. Solo High Tom / B22. Solo Kick Drum / B23. Solo Floor Tom / B24. Solo Crash Cymbal / B25. Solo Ride Cymbal / B26 .Solo Hi-Hat Cymbals