adding mp3 zaudio aaudio

having problem uploding mp3. I upload mp3 but I can only see a white blank piece of paper on the icon.  when i click it it downloads the file, i checked the file annd its 0 byte. empty. Uploading does not give me errors. I changed htaccess files to upload size 20mg. still the same. also aaudio does not see files. please  help thanks.