Introduction.- Notation and Tonal Systems.- Intervals and Scales.- Tunings - from Pythagoras to Equal Temperament.- Comparison with Non-European Systems.- Musical Instruments.- Selected Instruments 1 - Aerophones.- Selected Instruments 2 - Chordophones, Membranophones, Idiophones and Human Voice.- Create Music.- Play Together and Form an Orchestra.- Physiology and Psychoacoustics.- Room Acoustics.- Music Analysis with Phase Portraits.- What is Music Supposed to Do with our Mind and for Our Society?