======================== unified (from filesystem) ========================
                                         'bitrate'  '149.081'
                                        'duration'  '175'
                                          'artist'  "Joseph Cherniavsky's Yiddish-American Jazz Band"
                                     'text_people'  ''
                                         'release'  'Yiddish Songs: Traditionals (1911-1950)'
                                           'title'  'Yiddisher March'
                                           'quals'  ("['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-busy-1', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['klezmer', 'jazz', 'cartoon', 'composer', 'jewish']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '18'
                                            'date'  '1930'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer'
                                             'bpm'  '123'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '© Kinozal.TV ® ALEXXX & Co.'
'COMM:ID3v1 Comment:XXX'                            ') Kinozal.TV . ALEXXX & Co.'
'TALB' (Album/Movie/Show title)                     'Yiddish Songs: Traditionals (1911-1950)'
'TBPM' (BPM (beats per minute))                     '123'
'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)         'Yiddisher March'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               "Joseph Cherniavsky's Yiddish-American Jazz Band"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/4'
'TPUB' (Publisher)                                  'Documents'
'TRCK' (Track number/Position in set)               '11/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Cherniavsky, Joseph and His Yiddish-American Jazz Band'
'TSRC' (ISRC (international standard recording code))  'DEU240404856'
'TXXX:ASIN'                                         'B0002KP5VM'
'TXXX:Artists'                                      "Joseph Cherniavsky's Yiddish-American Jazz Band"
'TXXX:BARCODE'                                      '4011222220479'
'TXXX:CATALOGNUMBER'                                '222047'
'TXXX:LABEL'                                        'Membran International GmbH'
'TXXX:MEDIA'                                        'CD'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '4ffca293-bb15-4dae-8e78-b1941787b2c7'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '82789e97-9d36-4bbd-bc6e-32cfdf26a125'
'TXXX:MusicBrainz Release Group Id'                 '8e7c9ed5-d453-43c5-8908-86c0c17e5283'
'TXXX:MusicBrainz Release Track Id'                 '2877a5cd-d417-380c-ab88-8aee02fed7db'
'TXXX:MusicBrainz Track Id'                         '671242f8-552f-44c5-9c96-3846724056d3'
'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:lastfmtags'                                   ['klezmer', 'jazz', 'cartoon', 'composer', 'jewish']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.66 dB'
'TXXX:replaygain_track_peak'                        '0.478637'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'671242f8-552f-44c5-9c96-3846724056d3')

========================== row from database ==========================
                                              'id'  1506942
                                            'path'  /data/Music/Bulk/00localcharacter/2004 - Yiddish Songs (Traditionals - 1911-1950)/3.11. Yiddisher March (Joseph Cherniavsky_s Yiddish-American Jazz Band).mp3
                                         'working'  None
                                         'bitrate'  149
                                    'duration_sec'  175
                                           'genre'  loc-style-gypsy or balkan or klezmer
                                        'filesize'  3296316
                                           'mtime'  1620592487
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 2004 (Traditionals 3.11. (Joseph Cherniavsky_s Band) loc style gypsy or balkan or klezmer
                                      'tag_artist'  Joseph Cherniavsky's Yiddish-American Jazz Band
                                     'tag_release'  Yiddish Songs: Traditionals (1911-1950)
                                       'tag_title'  Yiddisher March
                                             'bpm'  123.0
                                    'search_title'  'march':2 'yiddisher':1
                                   'search_artist'  'american':6 'band':9 'cherniavsky':2 'cherniavskys':4 'jazz':8 'joseph':1 's':3 'yiddish':5 'yiddishamerican':7
                                  'search_release'  '1911':5 '19111950':7 '1950':6 'songs':2,3 'traditionals':4 'yiddish':1
                                     'search_rest'  '11':5 '2004':1 '3':4 '311':6 'balkan':17 'band':11,12 'cherniavsky':9 'gypsy':15 'joseph':7,8 'klezmer':18 'loc':13 'or':16 's':10 'style':14 'traditionals':2,3
                                    'search_combo'  '11':23 '1911':16C '19111950':18C '1950':17C '2004':19 '3':22 '311':24 'american':8B 'balkan':35 'band':11B,29,30 'cherniavsky':4B,27 'cherniavskys':6B 'gypsy':33 'jazz':10B 'joseph':3B,25,26 'klezmer':36 'loc':31 'march':2A 'or':34 's':5B,28 'songs':13C,14C 'style':32 'traditionals':15C,20,21 'yiddish':7B,12C 'yiddishamerican':9B 'yiddisher':1A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-1', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['klezmer', 'jazz', 'cartoon', 'composer', 'jewish']
                                        'tag_date'  1930
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592487.028901  (2021-05-09 22:34:47)
                             'size'  3296316