======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '255'
                                          'artist'  'Urgent (USA)'
                                     'text_people'  ''
                                         'release'  'AOR TREASURES Vol.4 - The Blasting Years 84-85'
                                           'title'  'Running Back (1984)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-3', "
 "'q-other-3', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['melodic rock', 'hard rock', 'aor', 'urgent', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '144.438'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Camelblue - http://hardrockaorheaven.blogspot.com'
'COMM:ID3v1 Comment:XXX'                            'Camelblue - http://hardrocka'
'TALB' (Album/Movie/Show title)                     'AOR TREASURES Vol.4 - The Blasting Years 84-85'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Running Back (1984)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Urgent (USA)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Camelblue - http://hardrockaorheaven.blogspot.com'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:URL'                                          'http://hardrockaorheaven.blogspot.com'
'TXXX:lastfmtags'                                   ['melodic rock', 'hard rock', 'aor', 'urgent', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-3.16 dB'
'TXXX:replaygain_track_peak'                        '0.538193'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://hardrockaorheaven.blogspot.com')

========================== row from database ==========================
                                              'id'  1329888
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/247 Urgent - Running Back.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  255
                                           'genre'  electronic-generic or radio
                                        'filesize'  10916401
                                           'mtime'  1630243325
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 247 electronic generic or radio
                                      'tag_artist'  Urgent (USA)
                                     'tag_release'  AOR TREASURES Vol.4 - The Blasting Years 84-85
                                       'tag_title'  Running Back (1984)
                                             'bpm'  144.438
                                    'search_title'  '1984':3,4 'back':2 'running':1
                                   'search_artist'  'urgent':1 'usa':2,3
                                  'search_release'  '4':4 '84':9 '8485':11 '85':10 'aor':1 'blasting':7 'the':6 'treasures':2 'vol':3 'vol4':5 'years':8
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '247':4 'complete':3 'electronic':5 'generic':6 'or':7 'radio':8
                                    'search_combo'  '00poprockelectronic':19 '1984':3A,4A '1985':20 '247':22 '4':11C '84':16C '8485':18C '85':17C 'aor':8C 'back':2A 'blasting':14C 'complete':21 'electronic':23 'generic':24 'or':25 'radio':26 'running':1A 'the':13C 'treasures':9C 'urgent':5B 'usa':6B,7B 'vol':10C 'vol4':12C 'years':15C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['melodic rock', 'hard rock', 'aor', 'urgent', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630243325.33528  (2021-08-29 15:22:05)
                             'size'  10916401