For the first year I was on testosterone, I read a bit of Moby-Dick (Chapter 1: Loomings) every month to keep track of how my voice changed.
Day 1 [0:00]
One month [1:02]
Two months [2:45]
Three months [5:25]
Four months [6:55]
Five months [7:46]
Six months [8:31]
Seven months [9:12]
Eight months [9:45]
Nine months [10:22]
Ten months [10:31]
Eleven months [11:09]
One year [11:52]