sorting alfabetical + hide rows before playing song + rownumbers

Description of new feature.
1. I need to see the numbers of the rows, so I can easy scroll to the 
songnumber of the playlist (+ maybe a possibility to navigate by an inputfield 
to the songnumber)
2. I would like to have only a view of the playing song together with the songs 
that will play after it. ! the rownumbers should need to reflow than from 001 
again.
3. Is it possible to sort the numbers alfabetical? In windows you can do this 
for years by clicking the titlebar-name 1x A-Z or 2x Z-A.

What is the expected output?
An option to hide songs before playing song.
An option to see the rownumbers.
A possibility to sort alfabetical.

Please provide any additional information below.
See printscreen

Original issue reported on code.google.com by karel.ro...@gmail.com on 22 Dec 2010 at 3:03

Attachments:

rownumbers+sorting.jpg

code-google-com / turnip-town

sorting alfabetical + hide rows before playing song + rownumbers #89