======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '164'
                                          'artist'  'Nora Bayes'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'In Miami 18-7-1919'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', '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', '20s', 'female vocalists', 'all', '10s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-vaudeville'
                                             'bpm'  '145.4'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:icMatch_Bio:Mus'                              'Sound changed by Breda4@hotmail.com'
'COMM:icMatch_Tempo:Mus'                            'None'
'TBPM' (BPM (beats per minute))                     '145.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vaudeville'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         'In Miami 18-7-1919'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '164000'
'TPE1' (Lead performer(s)/Soloist(s))               'Nora Bayes'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['vaudeville', '20s', 'female vocalists', 'all', '10s']
'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'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.491337'

========================== row from database ==========================
                                              'id'  981927
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Nora Bayes - In Miami 18-7-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  164
                                           'genre'  prerock-vaudeville
                                        'filesize'  3333032
                                           'mtime'  1620666528
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly prerock vaudeville
                                      'tag_artist'  Nora Bayes
                                     'tag_release'  None
                                       'tag_title'  In Miami 18-7-1919
                                             'bpm'  145.4
                                    'search_title'  '18':3 '1871919':6 '1919':5 '7':4 'in':1 'miami':2
                                   'search_artist'  'bayes':2 'nora':1
                                  'search_release'  
                                     'search_rest'  'prerock':2 'vaudeville':3 'veryearly':1
                                    'search_combo'  '18':3A '1871919':6A '1919':5A '7':4A 'bayes':8B 'in':1A 'miami':2A 'nora':7B 'prerock':10 'vaudeville':11 'veryearly':9
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  3A
                                           '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-1', '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', '20s', 'female vocalists', 'all', '10s']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666527.773748  (2021-05-10 19:08:47)
                             'size'  3333032