======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '182'
                                          'artist'  'Van & Schenck'
                                     'text_people'  ''
                                         'release'  'Columbia  2820 (78440)'
                                           'title'  'Open Up The Golden Gates To Dixieland 20-5-1919'
                                           '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-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vaudeville', 'all', '20s', 'ragtime', 'usa']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-vaudeville'
                                             'bpm'  '96.8'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TALB' (Album/Movie/Show title)                     'Columbia  2820 (78440)'
'TBPM' (BPM (beats per minute))                     '96.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vaudeville'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         'Open Up The Golden Gates To Dixieland 20-5-1919'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '182000'
'TPE1' (Lead performer(s)/Soloist(s))               'Van & Schenck'
'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'                                   ['vaudeville', 'all', '20s', 'ragtime', 'usa']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+1.89 dB'
'TXXX:replaygain_track_peak'                        '0.476594'

========================== row from database ==========================
                                              'id'  1475695
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Van & Schenck - Open Up the Golden Gates to Dixieland 20-5-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  182
                                           'genre'  prerock-vaudeville
                                        'filesize'  3733770
                                           'mtime'  1620666529
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly the to prerock vaudeville
                                      'tag_artist'  Van & Schenck
                                     'tag_release'  Columbia  2820 (78440)
                                       'tag_title'  Open Up The Golden Gates To Dixieland 20-5-1919
                                             'bpm'  96.8
                                    'search_title'  '1919':10 '20':8 '2051919':11 '5':9 'dixieland':7 'gates':5 'golden':4 'open':1 'the':3 'to':6 'up':2
                                   'search_artist'  'schenck':2 'van':1
                                  'search_release'  '2820':2 '78440':3,4 'columbia':1
                                     'search_rest'  'prerock':4 'the':2 'to':3 'vaudeville':5 'veryearly':1
                                    'search_combo'  '1919':10A '20':8A '2051919':11A '2820':15C '5':9A '78440':16C,17C 'columbia':14C 'dixieland':7A 'gates':5A 'golden':4A 'open':1A 'prerock':21 'schenck':13B 'the':3A,19 'to':6A,20 'up':2A 'van':12B 'vaudeville':22 'veryearly':18
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['vaudeville', 'all', '20s', 'ragtime', 'usa']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666529.1417286  (2021-05-10 19:08:49)
                             'size'  3733770