======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '229'
                                          'artist'  'Foreigner'
                                     'text_people'  ''
                                         'release'  'Agent Provocateur'
                                           'title'  'That Was Yesterday'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rock', 'hard rock', 'pop', 'classic rock']"
                                     'discogstags'  "['rock', 'pop rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '114.608'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Agent Provocateur'
'TBPM' (BPM (beats per minute))                     '114.608'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'That Was Yesterday'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Foreigner'
'TRCK' (Track number/Position in set)               '2/10'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame3.92'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop rock', 'classic rock']
'TXXX:lastfmtags'                                   ['80s', 'rock', 'hard rock', 'pop', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.11 dB'
'TXXX:replaygain_track_peak'                        '0.440954'

========================== row from database ==========================
                                              'id'  1321966
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/070-A Foreigner - That Was Yesterday (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  229
                                           'genre'  rock-unsorted
                                        'filesize'  9420101
                                           'mtime'  1620389094
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 070 (single version) rock unsorted
                                      'tag_artist'  Foreigner
                                     'tag_release'  Agent Provocateur
                                       'tag_title'  That Was Yesterday
                                             'bpm'  114.608
                                    'search_title'  'that':1 'was':2 'yesterday':3
                                   'search_artist'  'foreigner':1
                                  'search_release'  'agent':1 'provocateur':2
                                     'search_rest'  '00poprockelectronic':1 '1985':2 'complete':3 'rock':8 'single':4,5 'unsorted':9 'version':6,7
                                    'search_combo'  '00poprockelectronic':7 '1985':8 'agent':5C 'complete':9 'foreigner':4B 'provocateur':6C 'rock':14 'single':10,11 'that':1A 'unsorted':15 'version':12,13 'was':2A 'yesterday':3A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rock', 'hard rock', 'pop', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  ['rock', 'pop rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1620389093.9224367  (2021-05-07 14:04:53)
                             'size'  9420101