======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '577'
                                          'artist'  'Gilles Tremblay'
                                     'text_people'  ''
                                         'release'  'Creelpolation 1 (Disc 2)'
                                           'title'  'Centre-Élan'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['contemporary classical', 'canadian', 'composer', 'classical', 'canadian "
 "composer']")
                                     'discogstags'  "['classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '139.4'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Creelpolation 1 (Disc 2)'
'TBPM' (BPM (beats per minute))                     '139.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Centre-Élan'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gilles Tremblay'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5'
'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'                                  'classical'
'TXXX:lastfmtags'                                   ['contemporary classical',
 'canadian',
 'composer',
 'classical',
 'canadian composer']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.90 dB'
'TXXX:replaygain_track_peak'                        '0.363806'

========================== row from database ==========================
                                              'id'  724897
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Creelpolation 1 (Creel Pone, 2006) 3cd-r [192k]/02-05-Gilles Tremblay - Centre-Elan.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  577
                                           'genre'  electronic-unsorted
                                        'filesize'  13862912
                                           'mtime'  1637876310
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (Creel Pone, 2006) 3cd [192k] 02 05 Elan electronic unsorted
                                      'tag_artist'  Gilles Tremblay
                                     'tag_release'  Creelpolation 1 (Disc 2)
                                       'tag_title'  Centre-Élan
                                             'bpm'  139.4
                                    'search_title'  'centre':1,4 'centreelan':3,6 'elan':2,5
                                   'search_artist'  'gilles':1 'tremblay':2
                                  'search_release'  '1':2 '2':5,6 'creelpolation':1 'disc':3,4
                                     'search_rest'  '192k':8,9 '2006':5,6 '3cd':7 'creel':1,2 'elan':10 'electronic':11 'pone':3,4 'unsorted':12
                                    'search_combo'  '1':10C '192k':22,23 '2':13C,14C '2006':19,20 '3cd':21 'centre':1A,4A 'centreelan':3A,6A 'creel':15,16 'creelpolation':9C 'disc':11C,12C 'elan':2A,5A,24 'electronic':25 'gilles':7B 'pone':17,18 'tremblay':8B 'unsorted':26
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'canadian', 'composer', 'classical', 'canadian composer']
                                        'tag_date'  2006
                                     'discogstags'  ['classical']

============================== file details ==============================
                                           'mtime'  1637876310.0949686  (2021-11-25 22:38:30)
                             'size'  13862912