1. 1) S. Dahl, “Spectral changes in the tom-tom related to striking force,” Speech Music Hear, Q. Prog. Status Rep., 38, 59–66, KTH, Royal Institute of Technology, Stockholm, Sweden (1997).
2. 2) A. Wagner, Analysis of Drumbeats — Interaction between Drummer, Drumstick and Instrument, Masters thesis (KTH, Computer Science and Communication, Stockholm, 2007).
3. 3) A. A. Shivas, The Art of the Tympanist and Drummer (Dobson Books, London, 1957).
4. 4) S. A. Moeller, The Moeller Book (Ludwig Music Publishing Co., 1956).
5. 5) D. Famularo, It’s Your Move, Motions and Emotions (Warner Bros. Publications, 1999).