======================== unified (from filesystem) ========================
                                         'bitrate'  '165.649'
                                        'duration'  '290'
                                          'artist'  'Calexico'
                                     'text_people'  'Joey Burns/John Convertino'
                                         'release'  'Black Heart'
                                           'title'  'Black Heart (original version)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', '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-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'indie', 'fip', 'polyaztone']"
                                     'discogstags'  "['electronic', 'rock', 'folk rock', 'latin', 'southern rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '6'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted;rock-pop-indie'
                                             'bpm'  '120.758'
                                             'key'  '5A'
                                        'acoustid'  '8a0ac9da-0dc6-4df6-89f5-14c413c97c54'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Black Heart'
'TBPM' (BPM (beats per minute))                     '120.758'
'TCOM' (Composer)                                   'Joey Burns/John Convertino'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-unsorted', 'rock-pop-indie']
'TDRC' (Recording time)                             '2004-04'
'TIT2' (Title/songname/content description)         'Black Heart (original version)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Calexico'
'TPE2' (Band/orchestra/accompaniment)               'Calexico'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/6'
'TSO2'                                              'Calexico'
'TSOP' (Performer sort order)                       'Calexico'
'TSRC' (ISRC (international standard recording code))  'DED620221304'
'TXXX:ASIN'                                         'B0001M4DYG'
'TXXX:Acoustid Id'                                  '8a0ac9da-0dc6-4df6-89f5-14c413c97c54'
'TXXX:BARCODE'                                      '724354789106'
'TXXX:CATALOGNUMBER'                                '20237-0'
'TXXX:LABEL'                                        'City Slang'
'TXXX:MEDIA'                                        'CD'
'TXXX:MusicBrainz Album Artist Id'                  '5e372a49-5672-4fb8-ba14-18c90780c4f9'
'TXXX:MusicBrainz Album Id'                         '6cdeb812-4345-4eb5-8035-4a8eacf88725'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        '5e372a49-5672-4fb8-ba14-18c90780c4f9'
'TXXX:MusicBrainz Track Id'                         '993bb2ce-79b5-4937-be67-2e66934bf195'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'rock', 'folk rock', 'latin', 'southern rock']
'TXXX:iTunes_CDDB_IDs'                              '6+1F074681FEE5F8FF01419E926481D675+4040954'
'TXXX:lastfmtags'                                   ['instrumental', 'indie', 'fip', 'polyaztone']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '-0.60 dB'
'TXXX:replaygain_track_peak'                        '0.417416'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1318203
                                            'path'  /data/Music/Bulk/00poprockelectronic/Calexico/Black Heart/01 Black Heart (Original Version).mp3
                                         'working'  None
                                         'bitrate'  165
                                    'duration_sec'  290
                                           'genre'  ifs-songwriter-indie-unsorted;rock-pop-indie
                                        'filesize'  6144579
                                           'mtime'  1638554338
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 01 (Original Version) ifs songwriter indie unsorted;rock pop indie
                                      'tag_artist'  Calexico
                                     'tag_release'  Black Heart
                                       'tag_title'  Black Heart (original version)
                                             'bpm'  120.758
                                    'search_title'  'black':1 'heart':2 'original':3,4 'version':5,6
                                   'search_artist'  'calexico':1
                                  'search_release'  'black':1 'heart':2
                                     'search_rest'  '00poprockelectronic':1 'ifs':6 'indie':8 'original':2,3 'pop':13 'rock':10,12 'songwriter':7 'unsorted':9,11 'version':4,5
                                    'search_combo'  '00poprockelectronic':10 'black':1A,8C 'calexico':7B 'heart':2A,9C 'ifs':15 'indie':17 'original':3A,4A,11,12 'pop':22 'rock':19,21 'songwriter':16 'unsorted':18,20 'version':5A,6A,13,14
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  5A
                                           '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'indie', 'fip', 'polyaztone']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'rock', 'folk rock', 'latin', 'southern rock']

============================== file details ==============================
                                           'mtime'  1638554338.2227237  (2021-12-03 18:58:58)
                             'size'  6144579