Proper grew up in Upstate New York performing in choir, jazz ensemble, and school band.
[3] At age seventeen, Proper attended New York University and was one of only three women in a class of 150 students admitted to NYU's Music Technology program.
In a few years, Proper took a job with Sony Classics as a Quality Control Engineer because of her ability to quickly learn the digital audio workstation Sonic Solutions.
She eventually rose to a mastering position where she worked with clients on remastering historic pop standards and Broadway recordings.
Valhalla Studios installed the first analog immersive console in the world, which Prent mixes on and Proper masters from.