======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '296'
                                          'artist'  'Ross Daly & Labyrinth'
                                     'text_people'  'Various Artists'
                                         'release'  'Balkan Blues'
                                           'title'  "Émai Orfan's Apó Paidhí"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['world', 'fusion', 'world music', 'folk', 'asian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '16'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '111'
                                             'key'  '12B'
                                        'acoustid'  '42098c3c-e454-4499-a136-7f1add1a738b'
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00000627 0000048D 00007640 00004800 0001FE82 00024DCB 00008352 00008374 '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000810 0000000000C79CE0 00000000 006C93EC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '16+CA6E4D2AB30811B09D9D7E9847DF571A+759412'
'TALB' (Album/Movie/Show title)                     'Balkan Blues'
'TBPM' (BPM (beats per minute))                     '111'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Various Artists'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-11-16'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         "Émai Orfan's Apó Paidhí"
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ross Daly & Labyrinth'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Network Medien'
'TRCK' (Track number/Position in set)               '2/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Daly, Ross & Labyrinth'
'TXXX:ASIN'                                         'B0000300KS'
'TXXX:Acoustid Id'                                  '42098c3c-e454-4499-a136-7f1add1a738b'
'TXXX:Artists'                                      'Ross Daly & Labyrinth'
'TXXX:BARCODE'                                      '785965102425'
'TXXX:CATALOGNUMBER'                                '51024'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '03f67e07-fda7-40e8-8f12-96ab310a7297'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'd3523fe4-7de5-4745-87c1-611f4985d9b9'
'TXXX:MusicBrainz Release Group Id'                 'b04a7c27-57dd-370b-aefd-e86a6dceb8de'
'TXXX:MusicBrainz Release Track Id'                 '56130b2c-4355-3799-b100-abf24db20da1'
'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'                                   ['world', 'fusion', 'world music', 'folk', 'asian']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.516578'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8394476e-9178-425a-be81-48c17c8c2581')

========================== row from database ==========================
                                              'id'  1383274
                                            'path'  /data/Music/Bulk/00localcharacter/Bulgarian All Star Orchestra - balkan blues 2/Niki Tramba, Ross Daly & Labyrinth - Emai Orfanos Apo Paidhi.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  296
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  7131493
                                           'mtime'  1620528383
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Bulgarian All Star Orchestra balkan blues 2 Niki Tramba, Emai Orfanos Apo Paidhi loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Ross Daly & Labyrinth
                                     'tag_release'  Balkan Blues
                                       'tag_title'  Émai Orfan's Apó Paidhí
                                             'bpm'  111.0
                                    'search_title'  'apo':6,7 'emai':1,2 'orfan':3 'orfans':5 'paidhi':8,9 's':4
                                   'search_artist'  'daly':2 'labyrinth':3 'ross':1
                                  'search_release'  'balkan':1 'blues':2
                                     'search_rest'  '2':7 'all':2 'apo':13 'balkan':5 'blues':6 'brass':23 'bulgarian':1 'emai':11 'gypsy':17 'klezmer':19,21 'loc':15 'mi':20,22 'niki':8 'or':18 'orchestra':4 'orfanos':12 'paidhi':14 'star':3 'style':16 'tramba':9,10
                                    'search_combo'  '2':21 'all':16 'apo':6A,7A,27 'balkan':13C,19 'blues':14C,20 'brass':37 'bulgarian':15 'daly':11B 'emai':1A,2A,25 'gypsy':31 'klezmer':33,35 'labyrinth':12B 'loc':29 'mi':34,36 'niki':22 'or':32 'orchestra':18 'orfan':3A 'orfanos':26 'orfans':5A 'paidhi':8A,9A,28 'ross':10B 's':4A 'star':17 'style':30 'tramba':23,24
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['world', 'fusion', 'world music', 'folk', 'asian']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528382.908785  (2021-05-09 04:46:22)
                             'size'  7131493