Most things are loaded to RAM and run from there. For example, when I load a KONTAKT sound sample... it's actually a number of files of varying sizes. They all get loaded into the memory so that the computer doesn't have to search for them and grab them off the spinning HD. Even at 7200 RPM, for big sound samples, that would prove to be very inconvenient.

By using the memory, the actual write or read to the drive can happen when the computer needs to do so.... and considering that wave audio is a few megabytes per second of audio..... it should be able to stream audio in or out if it really needs to.

You can find my music at:
www.herbhartley.com
Add nothing that adds nothing to the music.
You can make excuses or you can make progress but not both.

The magic you are looking for is in the work you are avoiding.