======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '298'
                                          'artist'  'Camarón de la Isla'
                                     'text_people'  'Coran Bregovic'
                                         'release'  "L'Épopée tzigane : Road of the Gypsies"
                                           'title'  'Nana del Caballo Grande'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['flamenco', 'spanish', 'gypsy', 'world', 'singer-songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '16'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '126'
                                             'key'  '11A'
                                        'acoustid'  '07448453-10ef-463c-ae42-c2da0cb6ea8b'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     "L'Épopée tzigane : Road of the Gypsies"
'TBPM' (BPM (beats per minute))                     '126'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Coran Bregovic'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Nana del Caballo Grande'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Camarón de la Isla'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Network Medien'
'TRCK' (Track number/Position in set)               '1/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Camarón'
'TXXX:ASIN'                                         'B00000GV6E'
'TXXX:AccurateRipDiscID'                            '016-002aee77-020304a8-e1115410-1'
'TXXX:AccurateRipResult'                            'AccurateRip: Accurate (confidence 3)   [0FFFFB60]'
'TXXX:Acoustid Id'                                  '07448453-10ef-463c-ae42-c2da0cb6ea8b'
'TXXX:Artists'                                      'Camarón de la Isla'
'TXXX:BARCODE'                                      '785965247560'
'TXXX:CATALOGNUMBER'                                '24.756'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'aa02abd2-bf4e-4bba-9a41-be47c3d47ed9'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '1f25c419-4084-40bc-9bac-c39f375384c5'
'TXXX:MusicBrainz Release Group Id'                 'cd3c7c52-1c10-3ad3-98e4-3f48b05b25c8'
'TXXX:MusicBrainz Release Track Id'                 'ee9021a4-2d68-3aef-beae-34496eb40d7f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['flamenco', 'spanish', 'gypsy', 'world', 'singer-songwriter']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.38 dB'
'TXXX:replaygain_track_peak'                        '0.485763'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'dc4601da-02d9-440a-87c2-6fb68d673cd3')

========================== row from database ==========================
                                              'id'  1532918
                                            'path'  /data/Music/Bulk/00localcharacter/L_épopée Tzigane - Road of the Gypsies (1996)/L'épopée Tzigane - Road of the Gypsies (1996) CD1/01 - Camarón - Nana del Caballo Grande.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  298
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  12045707
                                           'mtime'  1620528676
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter L_épopée Tzigane (1996) L'épopée Tzigane (1996) CD1 01 loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Camarón de la Isla
                                     'tag_release'  L'Épopée tzigane : Road of the Gypsies
                                       'tag_title'  Nana del Caballo Grande
                                             'bpm'  126.0
                                    'search_title'  'caballo':3 'del':2 'grande':4 'nana':1
                                   'search_artist'  'camaron':1,2 'de':3 'isla':5 'la':4
                                  'search_release'  'epopee':2,5 'gypsies':11 'l':1,4 'lepopee':3,6 'of':9 'road':8 'the':10 'tzigane':7
                                     'search_rest'  '1996':6,7 'balkan':15 'brass':20 'cd1':10 'epopee':2,4 'gypsy':13 'klezmer':16,18 'l':1,3 'lepopee':8,9 'loc':11 'mi':17,19 'or':14 'style':12 'tzigane':5
                                    'search_combo'  '1996':26,27 'balkan':35 'brass':40 'caballo':3A 'camaron':5B,6B 'cd1':30 'de':7B 'del':2A 'epopee':11C,14C,22,24 'grande':4A 'gypsies':20C 'gypsy':33 'isla':9B 'klezmer':36,38 'l':10C,13C,21,23 'la':8B 'lepopee':12C,15C,28,29 'loc':31 'mi':37,39 'nana':1A 'of':18C 'or':34 'road':17C 'style':32 'the':19C 'tzigane':16C,25
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['flamenco', 'spanish', 'gypsy', 'world', 'singer-songwriter']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528676.0645986  (2021-05-09 04:51:16)
                             'size'  12045707