======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '315'
                                          'artist'  'Vas'
                                     'text_people'  ''
                                         'release'  'World tracks from various countries and albums'
                                           'title'  'Ningal'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ambient', 'female vocalists', 'new age', 'ethereal', 'ethnic', 'world']"
                                     'discogstags'  "['folk, world, & country', 'tribal', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '16'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '96'
                                             'key'  '2A'
                                        'acoustid'  '5df710c1-d91b-4019-8098-16023e15227d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'World tracks from various countries and albums'
'TBPM' (BPM (beats per minute))                     '96'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Ningal'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Vas'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Blue Flame Records'
'TRCK' (Track number/Position in set)               '15/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Vas'
'TXXX:Acoustid Id'                                  '5df710c1-d91b-4019-8098-16023e15227d'
'TXXX:Artists'                                      'Vas'
'TXXX:BARCODE'                                      '743217443924'
'TXXX:CATALOGNUMBER'                                '398 50392'
'TXXX:Mp3gain_minmax'                               '080,182'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['folk, world, & country', 'tribal', 'electronic']
'TXXX:lastfmtags'                                   ['ambient', 'female vocalists', 'new age', 'ethereal', 'ethnic', 'world']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.57 dB'
'TXXX:replaygain_track_peak'                        '0.593369'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e8a02a38-a7fa-4f8c-8457-42e179ab724c')

========================== row from database ==========================
                                              'id'  1523963
                                            'path'  /data/Music/Bulk/0soundtrack/VA - __World__ tracks from various countries & albums/World [vBr]/01 - ningal.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  315
                                           'genre'  loc-unsorted
                                        'filesize'  10170195
                                           'mtime'  1621630390
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack VA __World__ & [vBr] 01 ningal loc unsorted
                                      'tag_artist'  Vas
                                     'tag_release'  World tracks from various countries and albums
                                       'tag_title'  Ningal
                                             'bpm'  96.0
                                    'search_title'  'ningal':1
                                   'search_artist'  'vas':1
                                  'search_release'  'albums':7 'and':6 'countries':5 'from':3 'tracks':2 'various':4 'world':1
                                     'search_rest'  '0soundtrack':1 'br':11,12 'loc':7 'ningal':6 'unsorted':8 'v':9,10 'va':2 'vbr':4,5 'world':3
                                    'search_combo'  '0soundtrack':10 'albums':9C 'and':8C 'br':20,21 'countries':7C 'from':5C 'loc':16 'ningal':1A,15 'tracks':4C 'unsorted':17 'v':18,19 'va':11 'various':6C 'vas':2B 'vbr':13,14 'world':3C,12
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'female vocalists', 'new age', 'ethereal', 'ethnic', 'world']
                                        'tag_date'  2000
                                     'discogstags'  ['folk, world, & country', 'tribal', 'electronic']

============================== file details ==============================
                                           'mtime'  1621630389.8651261  (2021-05-21 22:53:09)
                             'size'  10170195