I requested this feature to Max in an email and he already stated that this is planned (in some way) for Poweramp. Basically I requested if Poweramp's Info window would add, as permanent tag fields, some extended tags namely just the following first: -Publisher - shows record label, company or organization, was added to id3 v2 spec, also used in wma tags, flac/ogg and aac tags -Composer - who wrote the original song, even HTC sense music player supports this tag -Copyright - legal creators of th