======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '331'
                                          'artist'  'Achim Nica'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'La livezile lui Ion'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['balkan', 'world', 'gypsy', 'romania', 'rromani']"
                                     'discogstags'  "['folk, world, & country', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '141.413'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '141.413'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TIT2' (Title/songname/content description)         'La livezile lui Ion'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Achim Nica'
'TRCK' (Track number/Position in set)               '1'
'TSOP' (Performer sort order)                       'Nica, Achim'
'TXXX:Artists'                                      'Achim Nica'
'TXXX:MusicBrainz Artist Id'                        'e4e04ed9-d37d-4a05-b6a4-5feb6e7b9d4a'
'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:discogstags'                                  ['folk, world, & country', 'folk']
'TXXX:lastfmtags'                                   ['balkan', 'world', 'gypsy', 'romania', 'rromani']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.395519'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f78fb57c-3a1f-4146-8992-82b7cc7f10ab')

========================== row from database ==========================
                                              'id'  1519130
                                            'path'  /data/Music/Bulk/00localcharacter/Mladen Kojnarov - balkan blues 1/Souffles de l_âme - La Livezile Lui Ion.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  331
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  8008807
                                           'mtime'  1620528856
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Mladen Kojnarov balkan blues 1 Souffles de l_âme Livezile Lui loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Achim Nica
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  La livezile lui Ion
                                             'bpm'  141.413
                                    'search_title'  'ion':4 'la':1 'livezile':2 'lui':3
                                   'search_artist'  'achim':1 'nica':2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '1':5 'ame':9,11 'balkan':3 'blues':4 'brass':22 'de':7 'gypsy':16 'klezmer':18,20 'kojnarov':2 'l':8,10 'livezile':12 'loc':14 'lui':13 'mi':19,21 'mladen':1 'or':17 'souffles':6 'style':15
                                    'search_combo'  '1':16 'achim':5B 'album':8C 'ame':20,22 'balkan':14 'blues':15 'brass':33 'de':18 'gypsy':27 'ion':4A 'klezmer':29,31 'kojnarov':13 'l':19,21 'la':1A 'livezile':2A,23 'loc':25 'lui':3A,24 'mi':30,32 'mladen':12 'nica':6B 'non':7C 'nonalbum':9C 'or':28 'souffles':17 'style':26 'tracks':10C,11C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['balkan', 'world', 'gypsy', 'romania', 'rromani']
                                        'tag_date'  
                                     'discogstags'  ['folk, world, & country', 'folk']

============================== file details ==============================
                                           'mtime'  1620528855.7714124  (2021-05-09 04:54:15)
                             'size'  8008807