======================== unified (from filesystem) ========================
                                         'bitrate'  '149.856'
                                        'duration'  '139'
                                          'artist'  'Calexico'
                                     'text_people'  ''
                                         'release'  '98 - 99 Road Map'
                                           'title'  'Minas De Cobre (acoustic 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-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'indie', 'fip', 'polyaztone']"
                                     'discogstags'  "['rock', 'southern rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '6'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted;rock-pop-indie'
                                             'bpm'  '84.773'
                                             'key'  '6A'
                                        'acoustid'  '87680c84-095b-4795-bef2-e3bb3619b29c'
rest: ''

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

'TALB' (Album/Movie/Show title)                     '98 - 99 Road Map'
'TBPM' (BPM (beats per minute))                     '84.773'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-unsorted', 'rock-pop-indie']
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Minas De Cobre (acoustic version)'
'TKEY' (Initial key)                                '6A'
'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)               '2/6'
'TSO2'                                              'Calexico'
'TSOP' (Performer sort order)                       'Calexico'
'TXXX:ASIN'                                         'B007NUP5BO'
'TXXX:Acoustid Id'                                  '87680c84-095b-4795-bef2-e3bb3619b29c'
'TXXX:CATALOGNUMBER'                                'OS01'
'TXXX:LABEL'                                        'Our Soil, Our Strength'
'TXXX:MEDIA'                                        'CD'
'TXXX:MusicBrainz Album Artist Id'                  '5e372a49-5672-4fb8-ba14-18c90780c4f9'
'TXXX:MusicBrainz Album Id'                         '6348b4b3-eeff-4685-b9e5-eff7cfd0839f'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '5e372a49-5672-4fb8-ba14-18c90780c4f9'
'TXXX:MusicBrainz Track Id'                         '2687973d-bd51-4fb2-8728-929edb05ffe3'
'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'                                  ['rock', 'southern rock']
'TXXX:iTunes_CDDB_IDs'                              '6+1D53A4D5194B95FCE6D18F2DC21E9602+537414'
'TXXX:lastfmtags'                                   ['instrumental', 'indie', 'fip', 'polyaztone']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.75 dB'
'TXXX:replaygain_track_peak'                        '0.513299'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1318367
                                            'path'  /data/Music/Bulk/00poprockelectronic/Calexico/Calexico - 98 - 99 Road Map/02 Minas De Cobre (Acoustic Version).mp3
                                         'working'  None
                                         'bitrate'  149
                                    'duration_sec'  139
                                           'genre'  ifs-songwriter-indie-unsorted;rock-pop-indie
                                        'filesize'  2614679
                                           'mtime'  1638554339
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 (Acoustic Version) ifs songwriter indie unsorted;rock pop indie
                                      'tag_artist'  Calexico
                                     'tag_release'  98 - 99 Road Map
                                       'tag_title'  Minas De Cobre (acoustic version)
                                             'bpm'  84.773
                                    'search_title'  'acoustic':4,5 'cobre':3 'de':2 'minas':1 'version':6,7
                                   'search_artist'  'calexico':1
                                  'search_release'  '98':1 '99':2 'map':4 'road':3
                                     'search_rest'  '00poprockelectronic':1 'acoustic':2,3 'ifs':6 'indie':8 'pop':13 'rock':10,12 'songwriter':7 'unsorted':9,11 'version':4,5
                                    'search_combo'  '00poprockelectronic':13 '98':9C '99':10C 'acoustic':4A,5A,14,15 'calexico':8B 'cobre':3A 'de':2A 'ifs':18 'indie':20 'map':12C 'minas':1A 'pop':25 'road':11C 'rock':22,24 'songwriter':19 'unsorted':21,23 'version':6A,7A,16,17
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'indie', 'fip', 'polyaztone']
                                        'tag_date'  1999
                                     'discogstags'  ['rock', 'southern rock']

============================== file details ==============================
                                           'mtime'  1638554339.2033448  (2021-12-03 18:58:59)
                             'size'  2614679