Current version as well. All songs in one folder (5 sub-folders). 38k tracks. Length of time varies:
40 seconds, 20 seconds if pc system is freshly cleaned by
http://www.glarysoft.com/Pc: HP envy i7, 16 rams, win10. Not win7 or 8.1 upgraded to - but factory built win10.
Side note: Glary utilities, a comprehensive pc maintenance tool is free (buy-optional). Create a restore point prior to installing so you can go back just in case.