where the band talks about the making of Reise, Reise . What exactly are you trying to find out about the song?
Often features slightly different vocal takes, a less polished mix, and sometimes an alternate guitar tone. It lacks the final album's heavily produced polish. Rammstein Los Unofficial
If you are looking for specific, in-depth audio, I can help you find: Which had the best "Los" performance. Specific fan forums that host rare demo recordings. where the band talks about the making of Reise, Reise