======================== unified (from filesystem) ========================
                                         'bitrate'  '136.066'
                                        'duration'  '198'
                                          'artist'  'G Goldstein and K Gold'
                                     'text_people'  ''
                                         'release'  'Yiddish Songs: Traditionals (1911-1950)'
                                           'title'  'Mendel Shiker'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '18'
                                            'date'  '1930'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer'
                                             'bpm'  '126'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

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'COMM::eng'                                         '© Kinozal.TV ® ALEXXX & Co.'
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'TALB' (Album/Movie/Show title)                     'Yiddish Songs: Traditionals (1911-1950)'
'TBPM' (BPM (beats per minute))                     '126'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-gypsy or balkan or klezmer'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '1930'
'TIT2' (Title/songname/content description)         'Mendel Shiker'
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'G Goldstein and K Gold'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/4'
'TPUB' (Publisher)                                  'Documents'
'TRCK' (Track number/Position in set)               '15/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Goldstein, G and Gold, K'
'TSRC' (ISRC (international standard recording code))  'DEU240404860'
'TXXX:ASIN'                                         'B0002KP5VM'
'TXXX:Artists'                                      'G Goldstein and K Gold'
'TXXX:BARCODE'                                      '4011222220479'
'TXXX:CATALOGNUMBER'                                '222047'
'TXXX:LABEL'                                        'Membran International GmbH'
'TXXX:MEDIA'                                        'CD'
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'TXXX:MusicBrainz Album Id'                         '4ffca293-bb15-4dae-8e78-b1941787b2c7'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
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'TXXX:MusicBrainz Track Id'                         '97dcaf34-fc63-4b93-9f13-1d686e9d56cf'
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'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:originalyear'                                 '2004'
'TXXX:q-bass'                                       '1'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.29 dB'
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========================== row from database ==========================
                                              'id'  1111332
                                            'path'  /data/Music/Bulk/00localcharacter/2004 - Yiddish Songs (Traditionals - 1911-1950)/3.15. Mendel Shiker (G Goldstein and K Gold).mp3
                                         'working'  None
                                         'bitrate'  136
                                    'duration_sec'  198
                                           'genre'  loc-style-gypsy or balkan or klezmer
                                        'filesize'  3411713
                                           'mtime'  1643982348
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 2004 (Traditionals 3.15. (G Gold) loc style gypsy or balkan or klezmer
                                      'tag_artist'  G Goldstein and K Gold
                                     'tag_release'  Yiddish Songs: Traditionals (1911-1950)
                                       'tag_title'  Mendel Shiker
                                             'bpm'  126.0
                                    'search_title'  'mendel':1 'shiker':2
                                   'search_artist'  'and':3 'g':1 'gold':5 'goldstein':2 'k':4
                                  'search_release'  '1911':5 '19111950':7 '1950':6 'songs':2,3 'traditionals':4 'yiddish':1
                                     'search_rest'  '15':5 '2004':1 '3':4 '315':6 'balkan':15 'g':7,8 'gold':9,10 'gypsy':13 'klezmer':16 'loc':11 'or':14 'style':12 'traditionals':2,3
                                    'search_combo'  '15':19 '1911':12C '19111950':14C '1950':13C '2004':15 '3':18 '315':20 'and':5B 'balkan':29 'g':3B,21,22 'gold':7B,23,24 'goldstein':4B 'gypsy':27 'k':6B 'klezmer':30 'loc':25 'mendel':1A 'or':28 'shiker':2A 'songs':9C,10C 'style':26 'traditionals':11C,16,17 'yiddish':8C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-BUSY-2', 'Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  1930
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1643982348.2754567  (2022-02-04 14:45:48)
                             'size'  3411713