at 3.3kb it's only about 64mb to store 20,000 songs. If they periodically update that (in the background, on wifi, etc) you'd likely never know. It's basically

at 3.3kb it's only about 64mb to store 20,000 songs. If they periodically update that (in the background, on wifi, etc) you'd likely never know. It's basically noise when OS updates are multi-gb.