======================== unified (from filesystem) ========================
                                         'bitrate'  '189.701'
                                        'duration'  '311'
                                          'artist'  'Calexico'
                                     'text_people'  'Burns/Convertino'
                                         'release'  'Hot Rail'
                                           'title'  'Tres avisos'
                                           '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'indie', 'fip', 'polyaztone']"
                                     'discogstags'  "['rock', 'folk rock', 'post rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '14'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted;rock-pop-indie'
                                             'bpm'  '110.967'
                                             'key'  '4A'
                                        'acoustid'  'a12b2428-1a91-4a16-a1d1-cfed8ec56532'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hot Rail'
'TBPM' (BPM (beats per minute))                     '110.967'
'TCOM' (Composer)                                   'Burns/Convertino'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-unsorted', 'rock-pop-indie']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Tres avisos'
'TKEY' (Initial key)                                '4A'
'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)               '13/14'
'TSO2'                                              'Calexico'
'TSOP' (Performer sort order)                       'Calexico'
'TXXX:Acoustid Id'                                  'a12b2428-1a91-4a16-a1d1-cfed8ec56532'
'TXXX:BARCODE'                                      '724384901615'
'TXXX:CATALOGNUMBER'                                '20153-1'
'TXXX:LABEL'                                        'City Slang'
'TXXX:MEDIA'                                        '12" Vinyl'
'TXXX:MusicBrainz Album Artist Id'                  '5e372a49-5672-4fb8-ba14-18c90780c4f9'
'TXXX:MusicBrainz Album Id'                         'de32e340-9ba1-4d5f-8185-93a75c356a8f'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5e372a49-5672-4fb8-ba14-18c90780c4f9'
'TXXX:MusicBrainz Track Id'                         'b4383bcf-99aa-4a5e-bcb7-d3de2425e127'
'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', 'folk rock', 'post rock']
'TXXX:iTunes_CDDB_IDs'                              '14+289CAADCD7AB904806F6AA542FA2F02E+769790'
'TXXX:lastfmtags'                                   ['instrumental', 'indie', 'fip', 'polyaztone']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                        '-0.38 dB'
'TXXX:replaygain_track_peak'                        '0.545166'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1317324
                                            'path'  /data/Music/Bulk/00poprockelectronic/Calexico/Hot Rail/13 Tres Avisos.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  311
                                           'genre'  ifs-songwriter-indie-unsorted;rock-pop-indie
                                        'filesize'  7389603
                                           'mtime'  1638554344
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 13 Avisos ifs songwriter indie unsorted;rock pop indie
                                      'tag_artist'  Calexico
                                     'tag_release'  Hot Rail
                                       'tag_title'  Tres avisos
                                             'bpm'  110.967
                                    'search_title'  'avisos':2 'tres':1
                                   'search_artist'  'calexico':1
                                  'search_release'  'hot':1 'rail':2
                                     'search_rest'  '00poprockelectronic':1 'avisos':2 'ifs':3 'indie':5 'pop':10 'rock':7,9 'songwriter':4 'unsorted':6,8
                                    'search_combo'  '00poprockelectronic':6 'avisos':2A,7 'calexico':3B 'hot':4C 'ifs':8 'indie':10 'pop':15 'rail':5C 'rock':12,14 'songwriter':9 'tres':1A 'unsorted':11,13
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  4A
                                           '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-2', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'indie', 'fip', 'polyaztone']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'folk rock', 'post rock']

============================== file details ==============================
                                           'mtime'  1638554344.2892187  (2021-12-03 18:59:04)
                             'size'  7389603