======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '175'
                                          'artist'  'Barenaked Ladies'
                                     'text_people'  ''
                                         'release'  'Born On A Pirate Ship'
                                           'title'  'Shoe Box'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'canadian', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '102.282'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Born On A Pirate Ship'
'TBPM' (BPM (beats per minute))                     '102.282'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Shoe Box'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Barenaked Ladies'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'canadian', 'pop', 'rock']
'TXXX:original release date'                        ['1996', '1996']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.728634'

========================== row from database ==========================
                                              'id'  1285798
                                            'path'  /data/Music/Bulk/00poprockelectronic/Barenaked Ladies/MBZ;#Barenaked Ladies;#Born on a Pirate Ship;#14;#Shoe Box.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  175
                                           'genre'  rock-unsorted
                                        'filesize'  2811373
                                           'mtime'  1620389244
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Barenaked Ladies;#Born on Ship;#14;#Shoe rock unsorted
                                      'tag_artist'  Barenaked Ladies
                                     'tag_release'  Born On A Pirate Ship
                                       'tag_title'  Shoe Box
                                             'bpm'  102.282
                                    'search_title'  'box':2 'shoe':1
                                   'search_artist'  'barenaked':1 'ladies':2
                                  'search_release'  'a':3 'born':1 'on':2 'pirate':4 'ship':5
                                     'search_rest'  '00poprockelectronic':1 '14':12,15 'barenaked':3,5 'born':7,9 'ladies':6,8 'mbz':2,4 'on':10 'rock':17 'ship':11,14 'shoe':13,16 'unsorted':18
                                    'search_combo'  '00poprockelectronic':10 '14':21,24 'a':7C 'barenaked':3B,12,14 'born':5C,16,18 'box':2A 'ladies':4B,15,17 'mbz':11,13 'on':6C,19 'pirate':8C 'rock':26 'ship':9C,20,23 'shoe':1A,22,25 'unsorted':27
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'canadian', 'pop', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1620389244.2057972  (2021-05-07 14:07:24)
                             'size'  2811373