======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '258'
                                          'artist'  'Moscow Grooves Institute'
                                     'text_people'  ''
                                         'release'  'Pizza'
                                           'title'  '1/4 South Vietnam (metro mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'acid jazz', 'idm', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '15'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-russia'
                                             'bpm'  '110.302'
                                             'key'  '1A'
                                        'acoustid'  '1d4a3faa-f55c-4faa-9955-cd6976bad625'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pizza'
'TBPM' (BPM (beats per minute))                     '110.302'
'TCON' (Content type, a.k.a. Genre)                 'loc-russia'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         '1/4 South Vietnam (metro mix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Moscow Grooves Institute'
'TPE2' (Band/orchestra/accompaniment)               'Moscow Grooves Institute'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '13/15'
'TSO2'                                              'Moscow Grooves Institute'
'TSOP' (Performer sort order)                       'Moscow Grooves Institute'
'TXXX:Acoustid Id'                                  '1d4a3faa-f55c-4faa-9955-cd6976bad625'
'TXXX:MusicBrainz Album Artist Id'                  'd932c14c-32e9-49d3-9f8f-e4dac67b84f8'
'TXXX:MusicBrainz Album Id'                         '74ac9489-0106-4fa5-8905-c962ae403b30'
'TXXX:MusicBrainz Album Release Country'            'RU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd932c14c-32e9-49d3-9f8f-e4dac67b84f8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['lounge', 'acid jazz', 'idm', 'electronic', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.533188'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8f8f2178-e2de-4a15-a368-d506974eeacd')

========================== row from database ==========================
                                              'id'  397889
                                            'path'  /data/Music/Bulk/00localcharacter/Moscow Grooves Institute (Russia)/[2001] Pizza/13 - 1_4 South Vietnam (metro mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  258
                                           'genre'  loc-russia
                                        'filesize'  6201336
                                           'mtime'  1621629753
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter (Russia) [2001] 13 1_4 loc russia
                                      'tag_artist'  Moscow Grooves Institute
                                     'tag_release'  Pizza
                                       'tag_title'  1/4 South Vietnam (metro mix)
                                             'bpm'  110.302
                                    'search_title'  '1':1 '14':3 '4':2 'metro':6,7 'mix':8,9 'south':4 'vietnam':5
                                   'search_artist'  'grooves':2 'institute':3 'moscow':1
                                  'search_release'  'pizza':1
                                     'search_rest'  '1':5 '2001':3,4 '4':6 'loc':7 'russia':1,2
                                    'search_combo'  '1':1A,18 '14':3A '2001':16,17 '4':2A,19 'grooves':11B 'institute':12B 'loc':20 'metro':6A,7A 'mix':8A,9A 'moscow':10B 'pizza':13C 'russia':14,15 'south':4A 'vietnam':5A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'acid jazz', 'idm', 'electronic', 'chillout']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621629753.3876972  (2021-05-21 22:42:33)
                             'size'  6201336