1. Compress all files into zip format before upload. (there is no file size limitation)
2. Title your zip file with the artist and song name.
3. Provide any additional info in the description field, if needed.
4. Use a modern browser such as Chrome, Firefox, Opera 28+, Internet Explorer 11+, or Safari 8+.
Depending upon the size of the zip file, it may take awhile for the upload to complete so please be patient.