======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '378'
                                          'artist'  'Air'
                                     'text_people'  ''
                                         'release'  '10000 Hz Legend'
                                           'title'  'Sex Born Poison'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'french', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic;electronic-shoegaze or dreampop'
                                             'bpm'  '133.403'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '10000 Hz Legend'
'TBPM' (BPM (beats per minute))                     '133.403'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'electronic-shoegaze or dreampop']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Sex Born Poison'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Air'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'french', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.338137'

========================== row from database ==========================
                                              'id'  1361413
                                            'path'  /data/Music/Bulk/00poprockelectronic/Air/10,000 Hz Legend/07 - Sex Born Poison.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  378
                                           'genre'  electronic;electronic-shoegaze or dreampop
                                        'filesize'  15163392
                                           'mtime'  1636913731
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 10,000 07 electronic;electronic shoegaze dreampop
                                      'tag_artist'  Air
                                     'tag_release'  10000 Hz Legend
                                       'tag_title'  Sex Born Poison
                                             'bpm'  133.403
                                    'search_title'  'born':2 'poison':3 'sex':1
                                   'search_artist'  'air':1
                                  'search_release'  '10000':1 'hz':2 'legend':3
                                     'search_rest'  '000':3,5 '00poprockelectronic':1 '10':2,4 'dreampop':11 'electronic':6,7,8,9 'shoegaze':10
                                    'search_combo'  '000':10,12 '00poprockelectronic':8 '10':9,11 '10000':5C 'air':4B 'born':2A 'dreampop':18 'electronic':13,14,15,16 'hz':6C 'legend':7C 'poison':3A 'sex':1A 'shoegaze':17
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'french', 'chillout', 'ambient']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913730.6497917  (2021-11-14 19:15:30)
                             'size'  15163392