Music and music theory including, frequency, amplitude, duration, timbre, natural enviornment (Bosnian, Ganga, Becarac, Australia, Papua, New Guinea, spirit world, Tuvan; modern urban music, modern minstrels, rap music, transformative power of music, contra dance music, healing music (Kung healing ceremony); political power music (national anthems, protest and resistance); labor movement music, civil rights movement music; toptical songs in the United States; music and memory; much more.