======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '479'
                                          'artist'  'Boris Kovač & LaDaABa Orchest'
                                     'text_people'  ''
                                         'release'  'Srbija: Sounds global'
                                           'title'  'The Last Balkan Tango'
                                           '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-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', 'balkan', 'avant garde', 'tango', 'serbian']"
                                     'discogstags'  ("['latin', 'classical', 'jazz', 'contemporary', 'tango', 'gypsy jazz', 'folk, "
 "world, & country']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '12'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '141.611'
                                             'key'  '3A'
                                        'acoustid'  '92889e02-324d-4b32-bbd3-6e5a9689c0fb'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000108E 000010DA 00007D22'
'COMM:iTunNORM:eng'                                 (' 0000108E 000010DA 00007D22 000078F9 0003829E 000186CE 00008000 00008000 '
 '000186CE 000186E5')
'TALB' (Album/Movie/Show title)                     'Srbija: Sounds global'
'TBPM' (BPM (beats per minute))                     '141.611'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'The Last Balkan Tango'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Boris Kovač & LaDaABa Orchest'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '12/12'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Kovac, Boris & LaDaABa Orchest'
'TXXX:Acoustid Id'                                  '92889e02-324d-4b32-bbd3-6e5a9689c0fb'
'TXXX:Artists'                                      'Boris Kovač & LaDaABa Orchest'
'TXXX:BARCODE'                                      '8606100232031'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '8092537e-62c5-42ef-990f-1c65a8cf5bb2'
'TXXX:MusicBrainz Album Release Country'            'RS'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '185789f4-8434-46a3-8310-db4cc98bc1e3'
'TXXX:MusicBrainz Release Group Id'                 '83bece81-ddfe-3fa6-943f-1321fec47791'
'TXXX:MusicBrainz Release Track Id'                 '65a5bdad-4213-3f80-a26a-8fe6757971c4'
'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:discogstags'                                  ['latin',
 'classical',
 'jazz',
 'contemporary',
 'tango',
 'gypsy jazz',
 'folk, world, & country']
'TXXX:lastfmtags'                                   ['jazz', 'balkan', 'avant garde', 'tango', 'serbian']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.393185'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'aebbc64b-1ca3-4aca-9dd1-27dfa5a8a86f')

========================== row from database ==========================
                                              'id'  928838
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Goran Bregovic/Serbia Sounds Global  I/12 - Boris Kovac & Ladaaba Orchest - The Last Balkan Tango.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  479
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  7673856
                                           'mtime'  1620528142
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe Goran Bregovic Serbia Global I 12 Kovac Ladaaba loc style gypsy balkan klezmer;mi brass
                                      'tag_artist'  Boris Kovač & LaDaABa Orchest
                                     'tag_release'  Srbija: Sounds global
                                       'tag_title'  The Last Balkan Tango
                                             'bpm'  141.611
                                    'search_title'  'balkan':3 'last':2 'tango':4 'the':1
                                   'search_artist'  'aba':8 'boris':1 'da':7 'kovac':2,3 'la':6 'ladaaba':4 'orchest':5
                                  'search_release'  'global':4 'sounds':3 'srbija':1,2
                                     'search_rest'  '00mid':1 'balkan':14 'brass':19 'bregovic':5 'europe':3 'global':7 'goran':4 'gypsy':13 'i':8 'klezmer':15,17 'kovac':9 'ladaaba':10 'loc':11 'mi':16,18 'north':2 'serbia':6 'style':12
                                    'search_combo'  '00mid':17 'aba':12B 'balkan':3A,30 'boris':5B 'brass':35 'bregovic':21 'da':11B 'europe':19 'global':16C,23 'goran':20 'gypsy':29 'i':24 'klezmer':31,33 'kovac':6B,7B,25 'la':10B 'ladaaba':8B,26 'last':2A 'loc':27 'mi':32,34 'north':18 'orchest':9B 'serbia':22 'sounds':15C 'srbija':13C,14C 'style':28 'tango':4A 'the':1A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'balkan', 'avant garde', 'tango', 'serbian']
                                        'tag_date'  2000
                                     'discogstags'  ['latin', 'classical', 'jazz', 'contemporary', 'tango', 'gypsy jazz', 'folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620528142.3241363  (2021-05-09 04:42:22)
                             'size'  7673856