Samsung PN51E6500EFXZA - Manual (Page 522)

7. Repeat Step 6 to select additional
files.
N
To select all the files in the list,
select Select All . To cancel a
selection, select the file again.
8. When done, select
Add . The Add to
Playlist screen appears.
9. Highlight and select the playlist you
want to add the files to. The Added
pop-up appears.
10. Select
Play to play now or OK to