Musix GNU+Linux is being used in Brazil, United States, Spain (in several places), and Costa Rica, just to name some countries. Musix is also being used in music's classrooms in some schools, for a start, this gives teachers and students the possibility to use free cultural and technological tools. This means that they would be able to make use of these tools and the 4 freedoms provided by the free software licence.
Also Musix is the system used in Palau Firal de Congressos de Tarragona, Spain
In these years, Musix has been mentioned in several articles worldwide, maybe the most remarkable is Keyboard Magazine article, which aims at GNU/Linux & audio in general and it has been discussed in DIGG and Slashdot.
Updated: Musix on "Der Spiegel" (The Mirror); is Europe's biggest and most influential weekly magazine.
It is recommended to use a download manager, since it helps to manage resources better. You can use graphical managers like kget or gwget, or "wget -c" from a text console (terminal).