Putting it in /MUSIC would result in /MUSIC/(artist)/(album), which looks good on paper but doesn't work for the PSP, which supports only one directory level inside /MUSIC. So it would need to be /MUSIC/(artist - album) instead.
Putting it in /MUSIC would result in /MUSIC/ (artist) /(album) , which looks good on paper but doesn't work for the PSP, which supports only one directory level inside /MUSIC. So it would need to be /MUSIC/(artist - album) instead.