======================== unified (from filesystem) ========================
                                         'bitrate'  '260.579'
                                        'duration'  '331'
                                          'artist'  'Genesis'
                                     'text_people'  'Mike Rutherford/Phil Collins/Tony Banks'
                                         'release'  'Duke'
                                           'title'  'Behind The Lines'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'rock', 'progressive rock', 'progressive', 'classic rock']"
                                     'discogstags'  "['rock', 'prog rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '107.836'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'Duke'
'TBPM' (BPM (beats per minute))                     '107.836'
'TCOM' (Composer)                                   'Mike Rutherford/Phil Collins/Tony Banks'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Behind The Lines'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Genesis'
'TPE2' (Band/orchestra/accompaniment)               'Genesis'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '1/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'prog rock', 'classic rock']
'TXXX:lastfmtags'                                   ['80s', 'rock', 'progressive rock', 'progressive', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.27 dB'
'TXXX:replaygain_track_peak'                        '0.695256'

========================== row from database ==========================
                                              'id'  1411105
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Genesis - Duke/01 - behind the lines.mp3
                                         'working'  None
                                         'bitrate'  260
                                    'duration_sec'  331
                                           'genre'  rock-cppex-progressive
                                        'filesize'  10829650
                                           'mtime'  1620736082
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 01 behind the lines rock cppex progressive
                                      'tag_artist'  Genesis
                                     'tag_release'  Duke
                                       'tag_title'  Behind The Lines
                                             'bpm'  107.836
                                    'search_title'  'behind':1 'lines':3 'the':2
                                   'search_artist'  'genesis':1
                                  'search_release'  'duke':1
                                     'search_rest'  'behind':2 'classicprogpsy':1 'cppex':6 'lines':4 'progressive':7 'rock':5 'the':3
                                    'search_combo'  'behind':1A,7 'classicprogpsy':6 'cppex':11 'duke':5C 'genesis':4B 'lines':3A,9 'progressive':12 'rock':10 'the':2A,8
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rock', 'progressive rock', 'progressive', 'classic rock']
                                        'tag_date'  1980
                                     'discogstags'  ['rock', 'prog rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1620736081.5170882  (2021-05-11 14:28:01)
                             'size'  10829650