It all stays at the same temperature while it is melting, and then it starts to rise in temperature. It takes a lot more heat to melt a quantity of ice than to raise it 10 degrees. About 8x as much. Condensations is a warming process. Air molecules are moving to and fro in the direction of motion of the wave.
Frequency is the equivalent of pitch.
Tone quality is given by the shape of the wave. A brown sludge. Refraction because of different densities of air.