======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '175'
                                          'artist'  "Joseph Cherniavsky's Yiddish-American Jazz Band"
                                     'text_people'  ''
                                         'release'  'Yiddish-American Klezmer Music - 1925-1956'
                                           'title'  'Yiddisher March'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['klezmer', 'jazz', 'cartoon', 'composer', 'jewish']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '23'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '125.393'
                                             'key'  '3A'
                                        'acoustid'  '97dba22f-c3e4-45c0-bae9-6876bab71e59'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'Yiddish-American Klezmer Music - 1925-1956'
'TBPM' (BPM (beats per minute))                     '125.393'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDOR' (Original release time)                      '1992'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Yiddisher March'
'TKEY' (Initial key)                                '3A'
'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)                              '1/1'
'TPUB' (Publisher)                                  'Yazoo Records'
'TRCK' (Track number/Position in set)               '2/23'
'TSO2'                                              'Tarras, Dave'
'TSOP' (Performer sort order)                       'Cherniavsky, Joseph and His Yiddish-American Jazz Band'
'TXXX:ASIN'                                         'B000000G9A'
'TXXX:Acoustid Id'                                  '97dba22f-c3e4-45c0-bae9-6876bab71e59'
'TXXX:BARCODE'                                      '016351070128'
'TXXX:CATALOGNUMBER'                                'Yazoo 7001'
'TXXX:MusicBrainz Album Artist Id'                  'af65c3ba-b8b3-431b-9a49-291748729816'
'TXXX:MusicBrainz Album Id'                         '06d8017d-4be5-4f92-8a71-010d62819789'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '82789e97-9d36-4bbd-bc6e-32cfdf26a125'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.37 dB'
'TXXX:replaygain_track_peak'                        '0.356671'
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========================== row from database ==========================
                                              'id'  1513174
                                            'path'  /data/Music/Bulk/00localcharacter/Moishe Oysher & Florence Weiss - Dave Tarras - Yiddish-American Klezmer Music 1925-56/02. Joseph Cherniavsky_s Yiddish-American Jazz Band - Yiddisher March.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  175
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  7081606
                                           'mtime'  1620528885
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Moishe Oysher & Florence Weiss Dave Tarras 02. Cherniavsky_s loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Joseph Cherniavsky's Yiddish-American Jazz Band
                                     'tag_release'  Yiddish-American Klezmer Music - 1925-1956
                                       'tag_title'  Yiddisher March
                                             'bpm'  125.393
                                    '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'  '1925':6 '19251956':8 '1956':7 'american':2 'klezmer':4 'music':5 'yiddish':1 'yiddishamerican':3
                                     'search_rest'  '02':7,8 'balkan':15 'brass':20 'cherniavsky':9 'dave':5 'florence':3 'gypsy':13 'klezmer':16,18 'loc':11 'mi':17,19 'moishe':1 'or':14 'oysher':2 's':10 'style':12 'tarras':6 'weiss':4
                                    'search_combo'  '02':26,27 '1925':17C '19251956':19C '1956':18C 'american':8B,13C 'balkan':34 'band':11B 'brass':39 'cherniavsky':4B,28 'cherniavskys':6B 'dave':24 'florence':22 'gypsy':32 'jazz':10B 'joseph':3B 'klezmer':15C,35,37 'loc':30 'march':2A 'mi':36,38 'moishe':20 'music':16C 'or':33 'oysher':21 's':5B,29 'style':31 'tarras':25 'weiss':23 'yiddish':7B,12C 'yiddishamerican':9B,14C 'yiddisher':1A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  3A
                                           '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-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['klezmer', 'jazz', 'cartoon', 'composer', 'jewish']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528885.0939226  (2021-05-09 04:54:45)
                             'size'  7081606