======================== unified (from filesystem) ========================
                                         'bitrate'  '146.399'
                                        'duration'  '291'
                                          'artist'  'Gus Gus'
                                     'text_people'  ''
                                         'release'  'Pi Soundtrack'
                                           'title'  'Anthem'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'trip-hop', 'icelandic', 'downtempo', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '106.475'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Pi Soundtrack'
'TBPM' (BPM (beats per minute))                     '106.475'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Anthem'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gus Gus'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronic', 'trip-hop', 'icelandic', 'downtempo', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.24 dB'
'TXXX:replaygain_track_peak'                        '0.975658'

========================== row from database ==========================
                                              'id'  484325
                                            'path'  /data/Music/Bulk/0soundtrack/1998 - Pi/09 - Anthem - Gus Gus.mp3
                                         'working'  None
                                         'bitrate'  146
                                    'duration_sec'  291
                                           'genre'  soundtrack-video
                                        'filesize'  5395230
                                           'mtime'  1620332552
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 1998 09 soundtrack video
                                      'tag_artist'  Gus Gus
                                     'tag_release'  Pi Soundtrack
                                       'tag_title'  Anthem
                                             'bpm'  106.475
                                    'search_title'  'anthem':1
                                   'search_artist'  'gus':1
                                  'search_release'  'pi':1 'soundtrack':2
                                     'search_rest'  '0soundtrack':1 '1998':2 'soundtrack':3 'video':4
                                    'search_combo'  '0soundtrack':5 '1998':6 'anthem':1A 'gus':2B 'pi':3C 'soundtrack':4C,7 'video':8
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'trip-hop', 'icelandic', 'downtempo', 'electronica']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620332551.5744653  (2021-05-06 22:22:31)
                             'size'  5395230