#310
If you don't understand what is the hash value of a file, then, i don't think you have to study this application, because maybe you do not need to use it or even know it at all.

#228
mp3DirectCut (with the same author of 1by1) is a freeware audio editing applet that can be used to cut extensive music files without quality losses and split, developed by Martin Pesch from Germany. It graphically shows clearly the wave form of MP3 file, which allows you to quickly and accurately get the break point to cut.