======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '137'
                                          'artist'  'Slavic Soul Party!'
                                     'text_people'  ''
                                         'release'  'Bigger'
                                           'title'  'Čačak Nirvana'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['gypsy', 'brass', 'balkan', 'brooklyn', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '16'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '126.331'
                                             'key'  '3A'
                                        'acoustid'  '701aced9-cbce-416b-a5b1-2c796836ed66'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bigger'
'TBPM' (BPM (beats per minute))                     '126.331'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2006-03-14'
'TIT2' (Title/songname/content description)         'Čačak Nirvana'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Slavic Soul Party!'
'TPE2' (Band/orchestra/accompaniment)               'Slavic Soul Party!'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Barbès Records'
'TRCK' (Track number/Position in set)               '3/16'
'TSO2'                                              'Slavic Soul Party'
'TSOP' (Performer sort order)                       'Slavic Soul Party'
'TXXX:ASIN'                                         'B000EMGK8U'
'TXXX:Acoustid Id'                                  '701aced9-cbce-416b-a5b1-2c796836ed66'
'TXXX:Artists'                                      'Slavic Soul Party!'
'TXXX:BARCODE'                                      '616892667322'
'TXXX:MusicBrainz Album Artist Id'                  '4cf57406-5e29-4432-b180-b342a5190d20'
'TXXX:MusicBrainz Album Id'                         'b9c66e7b-badb-3d14-aee2-5500cf5bf084'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '4cf57406-5e29-4432-b180-b342a5190d20'
'TXXX:MusicBrainz Release Group Id'                 '456553e1-895f-38e7-a6d2-ee98b4cee10e'
'TXXX:MusicBrainz Release Track Id'                 'da14a36f-46f7-3f1b-bf5a-f06de10f629a'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['gypsy', 'brass', 'balkan', 'brooklyn', 'folk']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.607730'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3ccf074c-76f5-45a9-bf74-9238e9f910b4')

========================== row from database ==========================
                                              'id'  929501
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Slavic Soul Party/03 - Slavic Soul Party - Cacak Nirvana.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  137
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  2255161
                                           'mtime'  1620528328
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east 03 Cacak loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Slavic Soul Party!
                                     'tag_release'  Bigger
                                       'tag_title'  Čačak Nirvana
                                             'bpm'  126.331
                                    'search_title'  'cacak':1,2 'nirvana':3
                                   'search_artist'  'party':3 'slavic':1 'soul':2
                                  'search_release'  'bigger':1
                                     'search_rest'  '00south':1 'balkan':10 'brass':15 'cacak':5 'east':4 'europe':2 'gypsy':8 'klezmer':11,13 'loc':6 'mi':12,14 'middle':3 'or':9 'style':7
                                    'search_combo'  '00south':8 'balkan':17 'bigger':7C 'brass':22 'cacak':1A,2A,12 'east':11 'europe':9 'gypsy':15 'klezmer':18,20 'loc':13 'mi':19,21 'middle':10 'nirvana':3A 'or':16 'party':6B 'slavic':4B 'soul':5B 'style':14
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['gypsy', 'brass', 'balkan', 'brooklyn', 'folk']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528328.013913  (2021-05-09 04:45:28)
                             'size'  2255161