======================== unified (from filesystem) ========================
                                         'bitrate'  '188.658'
                                        'duration'  '139'
                                          'artist'  'Mecano Ltd.'
                                     'text_people'  ''
                                         'release'  "I Don't Care Collection: Dutch Punk 1977-1983"
                                           'title'  'Face Cover Face'
                                           'quals'  ("['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HAP-2', "
 "'Q-SYN-1', 'Q-UNU-3', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'Q-CHART-1', "
 "'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  '34'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '122.6'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "I Don't Care Collection: Dutch Punk 1977-1983"
'TBPM' (BPM (beats per minute))                     '122.6'
'TCMP'                                              '1'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Face Cover Face'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mecano Ltd.'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '22/34'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-5.45 dB'
'TXXX:replaygain_track_peak'                        '0.994103'

========================== row from database ==========================
                                              'id'  1539282
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/I Don't Care Collection_ Dutch Punk 1977-1983/1-22 Mecano Ltd. - Face Cover Face.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  139
                                           'genre'  
                                        'filesize'  3341540
                                           'mtime'  1695907190
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Collection_ 22
                                      'tag_artist'  Mecano Ltd.
                                     'tag_release'  I Don't Care Collection: Dutch Punk 1977-1983
                                       'tag_title'  Face Cover Face
                                             'bpm'  122.6
                                    'search_title'  'cover':2 'face':1
                                   'search_artist'  'ltd':2,3 'mecano':1
                                  'search_release'  '1977':10 '19771983':12 '1983':11 'care':5 'collection':6,7 'don':2 'dont':4 'dutch':8 'i':1 'punk':9 't':3
                                     'search_rest'  '22':3 'classicprogpsy':1 'collection':2
                                    'search_combo'  '1977':15C '19771983':17C '1983':16C '22':20 'care':10C 'classicprogpsy':18 'collection':11C,12C,19 'cover':2A 'don':7C 'dont':9C 'dutch':13C 'face':1A 'i':6C 'ltd':4B,5B 'mecano':3B 'punk':14C 't':8C
                                    'tag_tracknum'  22
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HAP-2', 'Q-SYN-1', 'Q-UNU-3', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'Q-CHART-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1695907189.9955626  (2023-09-28 15:19:49)
                             'size'  3341540