======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '191'
                                          'artist'  "Rudy Wiedoeft's Palace Trio"
                                     'text_people'  ''
                                         'release'  'Emerson Test Pressing M 4332-2'
                                           'title'  "You'll Be Sorry 1919 Emerson Test Pressing"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', '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'  "['instrumental', '1920s', 'novelty', 'ragtime', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-ragtime'
                                             'bpm'  '130.5'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Emerson Test Pressing M 4332-2'
'TBPM' (BPM (beats per minute))                     '130.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-ragtime'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         "You'll Be Sorry 1919 Emerson Test Pressing"
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '191000'
'TPE1' (Lead performer(s)/Soloist(s))               "Rudy Wiedoeft's Palace Trio"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', '1920s', 'novelty', 'ragtime', 'pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.476311'

========================== row from database ==========================
                                              'id'  1499434
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Rudy Wiedoeft_s Palace Trio - You_ll Be Sorry 1919 Emerson test pressing M 4332-2.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  191
                                           'genre'  prerock-ragtime
                                        'filesize'  3968773
                                           'mtime'  1620527321
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly Wiedoeft_s You_ll test pressing prerock ragtime
                                      'tag_artist'  Rudy Wiedoeft's Palace Trio
                                     'tag_release'  Emerson Test Pressing M 4332-2
                                       'tag_title'  You'll Be Sorry 1919 Emerson Test Pressing
                                             'bpm'  130.5
                                    'search_title'  '1919':6 'be':4 'emerson':7 'll':2 'pressing':9 'sorry':5 'test':8 'you':1 'youll':3
                                   'search_artist'  'palace':5 'rudy':1 's':3 'trio':6 'wiedoeft':2 'wiedoefts':4
                                  'search_release'  '2':6 '4332':5 '43322':7 'emerson':1 'm':4 'pressing':3 'test':2
                                     'search_rest'  'll':5 'prerock':8 'pressing':7 'ragtime':9 's':3 'test':6 'veryearly':1 'wiedoeft':2 'you':4
                                    'search_combo'  '1919':6A '2':21C '4332':20C '43322':22C 'be':4A 'emerson':7A,16C 'll':2A,27 'm':19C 'palace':14B 'prerock':30 'pressing':9A,18C,29 'ragtime':31 'rudy':10B 's':12B,25 'sorry':5A 'test':8A,17C,28 'trio':15B 'veryearly':23 'wiedoeft':11B,24 'wiedoefts':13B 'you':1A,26 'youll':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', '1920s', 'novelty', 'ragtime', 'pop']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527320.5463624  (2021-05-09 04:28:40)
                             'size'  3968773