======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '320'
                                          'artist'  'Tori Amos'
                                     'text_people'  ''
                                         'release'  'Y Kant Tori Read'
                                           'title'  'Floating City'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '100.956'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Y Kant Tori Read'
'TBPM' (BPM (beats per minute))                     '100.956'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Floating City'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tori Amos'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.36 dB'
'TXXX:replaygain_track_peak'                        '0.852790'

========================== row from database ==========================
                                              'id'  1379874
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Tori Amos/Y Kant Tori Read/MBZ;#Tori Amos;#Y Kant Tori Read;#06;#Floating City.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  320
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  5123576
                                           'mtime'  1636400983
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos MBZ;#Tori Amos;#Y Read;#06;#Floating ifs songwriter eos
                                      'tag_artist'  Tori Amos
                                     'tag_release'  Y Kant Tori Read
                                       'tag_title'  Floating City
                                             'bpm'  100.956
                                    'search_title'  'city':2 'floating':1
                                   'search_artist'  'amos':2 'tori':1
                                  'search_release'  'kant':2 'read':4 'tori':3 'y':1
                                     'search_rest'  '00singer':1 '00songwriter':4 '06':14,17 'amos':9,11 'eos':3 'floating':15,18 'ifs':19 'mbz':5,7 'read':13,16 'songwriter':2 'tori':6,8 'y':10,12
                                    'search_combo'  '00singer':9 '00songwriter':12 '06':22,25 'amos':4B,17,19 'city':2A 'eos':11 'floating':1A,23,26 'ifs':27 'kant':6C 'mbz':13,15 'read':8C,21,24 'songwriter':10 'tori':3B,7C,14,16 'y':5C,18,20
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  1988
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1636400983.2937818  (2021-11-08 20:49:43)
                             'size'  5123576