======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '159'
                                          'artist'  'Dora Hall'
                                     'text_people'  ''
                                         'release'  '45rpm 7" Single'
                                           'title'  'Day Dream'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['lo fi', 'outsider', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '101.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'TALB' (Album/Movie/Show title)                     '45rpm 7" Single'
'TBPM' (BPM (beats per minute))                     '101.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Day Dream'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dora Hall'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lo fi', 'outsider', 'oldies']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.74 dB'
'TXXX:replaygain_track_peak'                        '0.330879'

========================== row from database ==========================
                                              'id'  660054
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/278_2_Dora_Hall_-_Day_Dream.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  159
                                           'genre'  electronic-unsorted
                                        'filesize'  4137943
                                           'mtime'  1620515890
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 278_2_Dora_Hall_ _Day_Dream electronic unsorted
                                      'tag_artist'  Dora Hall
                                     'tag_release'  45rpm 7" Single
                                       'tag_title'  Day Dream
                                             'bpm'  101.9
                                    'search_title'  'day':1 'dream':2
                                   'search_artist'  'dora':1 'hall':2
                                  'search_release'  '45rpm':1 '7':2 'single':3
                                     'search_rest'  '2':2 '278':1 'day':5 'dora':3 'dream':6 'electronic':7 'hall':4 'unsorted':8
                                    'search_combo'  '2':9 '278':8 '45rpm':5C '7':6C 'day':1A,12 'dora':3B,10 'dream':2A,13 'electronic':14 'hall':4B,11 'single':7C 'unsorted':15
                                    'tag_tracknum'  2
                                      '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-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['lo fi', 'outsider', 'oldies']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620515889.6239755  (2021-05-09 01:18:09)
                             'size'  4137943