... We Initiated from 3 octave because a C with 130,8 is a good listen --- I'll like Know How make instrument path ( piano, guitar, drum) Static aTone := { 130.8, 138.6, 146.8, 155.6, 164.8, 174.6, 185.0, 196.0, 207.7, 220.0, 233.1, 246.9,; // 3 octave 261.7, 277.2, ...