======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '263'
                                          'artist'  'Tortoise'
                                     'text_people'  ''
                                         'release'  "A Digest Compendium of the Tortoise's World"
                                           'title'  'Your New Rod'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['instrumental', 'post rock', 'instrumental rock', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '15'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-post'
                                             'bpm'  '134.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "A Digest Compendium of the Tortoise's World"
'TBPM' (BPM (beats per minute))                     '134.0'
'TCON' (Content type, a.k.a. Genre)                 'rock-post'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-07-08'
'TIT2' (Title/songname/content description)         'Your New Rod'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tortoise'
'TPE2' (Band/orchestra/accompaniment)               'Tortoise'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Thrill Jockey'
'TRCK' (Track number/Position in set)               '9/15'
'TSO2'                                              'Tortoise'
'TSOP' (Performer sort order)                       'Tortoise'
'TXXX:ASIN'                                         'B00005OOAQ'
'TXXX:CATALOGNUMBER'                                'TKCB-70932'
'TXXX:MusicBrainz Album Artist Id'                  'e0953daa-860f-4dc8-9f1a-b12587cdaf17'
'TXXX:MusicBrainz Album Id'                         '0829464b-c0d6-4865-ac08-dff581bf3e79'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'e0953daa-860f-4dc8-9f1a-b12587cdaf17'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'post rock', 'instrumental rock', 'experimental', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.82 dB'
'TXXX:replaygain_track_peak'                        '0.988203'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'68a51008-b257-480e-9603-bf4d8f1132e9')

========================== row from database ==========================
                                              'id'  1529815
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/1996 - A Digest Compendium of the Tortoise_s World/09. Your New Rod.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  263
                                           'genre'  rock-post
                                        'filesize'  10551753
                                           'mtime'  1621489575
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1996 Tortoise_s 09. rock post
                                      'tag_artist'  Tortoise
                                     'tag_release'  A Digest Compendium of the Tortoise's World
                                       'tag_title'  Your New Rod
                                             'bpm'  134.0
                                    'search_title'  'new':2 'rod':3 'your':1
                                   'search_artist'  'tortoise':1
                                  'search_release'  'a':1 'compendium':3 'digest':2 'of':4 's':7 'the':5 'tortoise':6 'tortoises':8 'world':9
                                     'search_rest'  '09':4,5 '1996':1 'post':7 'rock':6 's':3 'tortoise':2
                                    'search_combo'  '09':17,18 '1996':14 'a':5C 'compendium':7C 'digest':6C 'new':2A 'of':8C 'post':20 'rock':19 'rod':3A 's':11C,16 'the':9C 'tortoise':4B,10C,15 'tortoises':12C 'world':13C 'your':1A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'post rock', 'instrumental rock', 'experimental', 'ambient']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489574.6050322  (2021-05-20 07:46:14)
                             'size'  10551753