======================== unified (from filesystem) ========================
                                         'bitrate'  '160.337'
                                        'duration'  '307'
                                          'artist'  'Boards Of Canada'
                                     'text_people'  'Eoin, Marcus/Sandison, Michael'
                                         'release'  'Music Has The Right To Children'
                                           'title'  'Turquoise Hexagon Sun'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '18'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '94.064'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music Has The Right To Children'
'TBPM' (BPM (beats per minute))                     '94.064'
'TCOM' (Composer)                                   'Eoin, Marcus/Sandison, Michael'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Turquoise Hexagon Sun'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Boards Of Canada'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:iTunes_CDDB_IDs'                              '18+994E1C4E45D9DA7C112787160EE3A645+3998390'
'TXXX:lastfmtags'                                   ['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'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'                        '-1.76 dB'
'TXXX:replaygain_track_peak'                        '0.711829'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1289555
                                            'path'  /data/Music/Bulk/00poprockelectronic/Boards of Canada/Music Has The Right To Children/07 Turquoise Hexagon Sun.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  307
                                           'genre'  electronic-ambient
                                        'filesize'  6175356
                                           'mtime'  1636911049
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic of 07 electronic ambient
                                      'tag_artist'  Boards Of Canada
                                     'tag_release'  Music Has The Right To Children
                                       'tag_title'  Turquoise Hexagon Sun
                                             'bpm'  94.064
                                    'search_title'  'hexagon':2 'sun':3 'turquoise':1
                                   'search_artist'  'boards':1 'canada':3 'of':2
                                  'search_release'  'children':6 'has':2 'music':1 'right':4 'the':3 'to':5
                                     'search_rest'  '00poprockelectronic':1 'ambient':4 'electronic':3 'of':2
                                    'search_combo'  '00poprockelectronic':13 'ambient':16 'boards':4B 'canada':6B 'children':12C 'electronic':15 'has':8C 'hexagon':2A 'music':7C 'of':5B,14 'right':10C 'sun':3A 'the':9C 'to':11C 'turquoise':1A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636911048.751636  (2021-11-14 18:30:48)
                             'size'  6175356