find * -type f | grep -i ".mp3" >> list.txt
find * -type f | grep -i ".wma" >> list.txt
find * -type f | grep -i ".ogg" >> list.txt
find * -type f | grep -i ".m4a" >> list.txt
iconv -f WINDOWS-1251 -t UTF-8 list.txt > list_utf8.txt