======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '258'
                                          'artist'  'Suzanne Ciani'
                                     'text_people'  ''
                                         'release'  'Pianissimo III'
                                           'title'  'La Mer'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'Q-PLAY-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new age', 'instrumental', 'piano', 'chillout', 'ambient']"
                                     'discogstags'  "['classical', 'contemporary']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '15'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments-contemporary'
                                             'bpm'  '108.0'
                                             'key'  '3B'
                                        'acoustid'  '5efddf32-7740-4f72-b94b-fd07bda43d8c'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pianissimo III'
'TBPM' (BPM (beats per minute))                     '108.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments-contemporary'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'La Mer'
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Suzanne Ciani'
'TPE2' (Band/orchestra/accompaniment)               'Suzanne Ciani'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Seventh Wave'
'TRCK' (Track number/Position in set)               '3/15'
'TSO2'                                              'Ciani, Suzanne'
'TSOP' (Performer sort order)                       'Ciani, Suzanne'
'TXXX:ASIN'                                         'B00005QK51'
'TXXX:Acoustid Id'                                  '5efddf32-7740-4f72-b94b-fd07bda43d8c'
'TXXX:BARCODE'                                      '799547700725'
'TXXX:CATALOGNUMBER'                                'SWP 7007-2'
'TXXX:MusicBrainz Album Artist Id'                  '2ce96399-f6da-439f-af3a-f319ebe2074c'
'TXXX:MusicBrainz Album Id'                         '4f18196d-c67a-4330-9654-8e4ab9feb727'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Artist Id'                        '2ce96399-f6da-439f-af3a-f319ebe2074c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['classical', 'contemporary']
'TXXX:lastfmtags'                                   ['new age', 'instrumental', 'piano', 'chillout', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.73 dB'
'TXXX:replaygain_track_peak'                        '0.704559'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7b9d1432-389f-4527-8d41-93bc7d17fb5b')

========================== row from database ==========================
                                              'id'  1209405
                                            'path'  /data/Music/Bulk/00instruments-classical/2002 - Pianissimo III/03. La Mer.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  258
                                           'genre'  prerock-classical or classical instruments-contemporary
                                        'filesize'  10326685
                                           'mtime'  1620662183
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical 2002 03. prerock classical or classical instruments contemporary
                                      'tag_artist'  Suzanne Ciani
                                     'tag_release'  Pianissimo III
                                       'tag_title'  La Mer
                                             'bpm'  108.0
                                    'search_title'  'la':1 'mer':2
                                   'search_artist'  'ciani':2 'suzanne':1
                                  'search_release'  'iii':2 'pianissimo':1
                                     'search_rest'  '00instruments':1 '03':4,5 '2002':3 'classical':2 'contemporary':9 'instruments':8 'or':7 'prerock':6
                                    'search_combo'  '00instruments':7 '03':10,11 '2002':9 'ciani':4B 'classical':8 'contemporary':15 'iii':6C 'instruments':14 'la':1A 'mer':2A 'or':13 'pianissimo':5C 'prerock':12 'suzanne':3B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['new age', 'instrumental', 'piano', 'chillout', 'ambient']
                                        'tag_date'  2001
                                     'discogstags'  ['classical', 'contemporary']

============================== file details ==============================
                                           'mtime'  1620662182.8593845  (2021-05-10 17:56:22)
                             'size'  10326685