======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '78'
                                          'artist'  'Gimmik'
                                     'text_people'  ''
                                         'release'  'Back to Basics'
                                           'title'  "L'appel Des Cors"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'glitch', 'idm', 'ambient', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-calmer'
                                             'bpm'  '85.7'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Back to Basics'
'TBPM' (BPM (beats per minute))                     '85.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch-calmer'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "L'appel Des Cors"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Gimmik'
'TPE2' (Band/orchestra/accompaniment)               'Gimmik'
'TRCK' (Track number/Position in set)               '6'
'TXXX:MusicBrainz Album Id'                         '64039dfe-9bc8-473d-870f-b5640e7b9625'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f47e4a14-b2b8-439c-948a-a2022ed1ea03'
'TXXX:MusicBrainz TRM Id'                           '1bad7f77-f068-4dce-8c93-4a8614794ce7'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'glitch', 'idm', 'ambient', 'electronic', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.73 dB'
'TXXX:replaygain_track_peak'                        '0.424373'

========================== row from database ==========================
                                              'id'  1345790
                                            'path'  /data/Music/Bulk/00poprockelectronic/Gimmik/Back to Basics/gimmik 06- from a-5310 to tw2 7q7.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  78
                                           'genre'  electronic-experimental-glitch-calmer
                                        'filesize'  1886080
                                           'mtime'  1636136291
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic gimmik 06 from 5310 tw2 7q7 electronic experimental glitch calmer
                                      'tag_artist'  Gimmik
                                     'tag_release'  Back to Basics
                                       'tag_title'  L'appel Des Cors
                                             'bpm'  85.7
                                    'search_title'  'appel':2 'cors':5 'des':4 'l':1 'lappel':3
                                   'search_artist'  'gimmik':1
                                  'search_release'  'back':1 'basics':3 'to':2
                                     'search_rest'  '00poprockelectronic':1 '5310':4 '7q7':6 'calmer':10 'electronic':7 'experimental':8 'from':3 'gimmik':2 'glitch':9 'tw2':5
                                    'search_combo'  '00poprockelectronic':10 '5310':13 '7q7':15 'appel':2A 'back':7C 'basics':9C 'calmer':19 'cors':5A 'des':4A 'electronic':16 'experimental':17 'from':12 'gimmik':6B,11 'glitch':18 'l':1A 'lappel':3A 'to':8C 'tw2':14
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'glitch', 'idm', 'ambient', 'electronic', 'experimental']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636136290.9782922  (2021-11-05 19:18:10)
                             'size'  1886080