======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '115'
                                          'artist'  'Amsterdam Klezmer Band'
                                     'text_people'  ''
                                         'release'  'De Amsterdam Klezmer Band'
                                           'title'  'Freilach xxxtra'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jewish', 'gypsy', 'amsterdam', 'world', 'klezmer']"
                                     'discogstags'  "['folk, world, & country', 'gypsy jazz', 'brass band', 'folk', 'klezmer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '17'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '101'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'De Amsterdam Klezmer Band'
'TBPM' (BPM (beats per minute))                     '101'
'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'
'TIT2' (Title/songname/content description)         'Freilach xxxtra'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Amsterdam Klezmer Band'
'TPE2' (Band/orchestra/accompaniment)               'Amsterdam Klezmer Band'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '16/17'
'TSO2'                                              'Amsterdam Klezmer Band'
'TSOP' (Performer sort order)                       'Amsterdam Klezmer Band'
'TXXX:Artists'                                      'Amsterdam Klezmer Band'
'TXXX:CATALOGNUMBER'                                '[none]'
'TXXX:MusicBrainz Album Artist Id'                  '28e27f86-3eba-4e17-9d04-f47b3be48e96'
'TXXX:MusicBrainz Album Id'                         '2458fb22-a536-43f1-8df3-f60cb8c6d48e'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '28e27f86-3eba-4e17-9d04-f47b3be48e96'
'TXXX:MusicBrainz Release Group Id'                 'cee644f0-c79c-3500-864f-7d0897b91f2e'
'TXXX:MusicBrainz Release Track Id'                 'ced770b6-7085-4dcd-a331-85846e47ca7d'
'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'                                  ['folk, world, & country', 'gypsy jazz', 'brass band', 'folk', 'klezmer']
'TXXX:lastfmtags'                                   ['jewish', 'gypsy', 'amsterdam', 'world', 'klezmer']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.17 dB'
'TXXX:replaygain_track_peak'                        '0.485469'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'23f72935-be1e-4cb5-9b5b-d98688242c54')

========================== row from database ==========================
                                              'id'  1422492
                                            'path'  /data/Music/Bulk/00localcharacter/De Amsterdam Klezmer Band/De Amsterdam Klezmer Band - De Amsterdam Klezmer Band - 16 - Freilach xxxtra.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  115
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  1955407
                                           'mtime'  1620528389
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 16 loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Amsterdam Klezmer Band
                                     'tag_release'  De Amsterdam Klezmer Band
                                       'tag_title'  Freilach xxxtra
                                             'bpm'  101.0
                                    'search_title'  'freilach':1 'xxxtra':2
                                   'search_artist'  'amsterdam':1 'band':3 'klezmer':2
                                  'search_release'  'amsterdam':2 'band':4 'de':1 'klezmer':3
                                     'search_rest'  'balkan':5 'brass':10 'gypsy':3 'klezmer':6,8 'loc':1 'mi':7,9 'or':4 'style':2
                                    'search_combo'  'amsterdam':3B,7C 'balkan':14 'band':5B,9C 'brass':19 'de':6C 'freilach':1A 'gypsy':12 'klezmer':4B,8C,15,17 'loc':10 'mi':16,18 'or':13 'style':11 'xxxtra':2A
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  10B
                                           '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-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jewish', 'gypsy', 'amsterdam', 'world', 'klezmer']
                                        'tag_date'  1999
                                     'discogstags'  ['folk, world, & country', 'gypsy jazz', 'brass band', 'folk', 'klezmer']

============================== file details ==============================
                                           'mtime'  1620528389.0308754  (2021-05-09 04:46:29)
                             'size'  1955407