Comment 22 for bug 671632

I have to learn more english. :/
No, selecting as example rock stuff like you...

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If you select Rock Crate (left column)
You will get 2 folders closed in rigth column: Symphonic & Hard No songs, folers are closed by default
Note: in column left the tree for rock must be expanded showing the two folders, no songs in rigth column.

Now, you select hard crate in left column (1clic )
You will get the list of songs for hard crate in rigth colum, but only for hard rock, symphonic is in other folder/crate

If you need a symphonic song, you have to select symphonic for display the syphonic songs in rigth colum, in this case, songs for hard rock will dissapear, it is like expand or contract foder, the crates must work, or at leasr what we are trying to ask for.

Think in an explorer like total or norton commander, they have 2 windows (Columns), you can use left to configure folders in a tree view and on the rigth the content of the folders, for us songs., or think in the libraries of windows, in the left you have documents, images, music, etc, in the rigth the contents for thoses folders, for us songs.

I hope you catch the point now :)