======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '129'
                                          'artist'  'Roberta Sherwood'
                                     'text_people'  ''
                                         'release'  '45 RPM - Decca 29911'
                                           'title'  'Lazy River'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'lobest']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '317'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '126.174'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     '45 RPM - Decca 29911'
'TBPM' (BPM (beats per minute))                     '126.174'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'Lazy River'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Roberta Sherwood'
'TRCK' (Track number/Position in set)               '317'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'lobest']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.92 dB'
'TXXX:replaygain_track_peak'                        '0.482066'

========================== row from database ==========================
                                              'id'  1433482
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-317 - Roberta Sherwood - Lazy River.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  129
                                           'genre'  prerock-unsorted
                                        'filesize'  5183718
                                           'mtime'  1620387594
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 317 prerock unsorted
                                      'tag_artist'  Roberta Sherwood
                                     'tag_release'  45 RPM - Decca 29911
                                       'tag_title'  Lazy River
                                             'bpm'  126.174
                                    'search_title'  'lazy':1 'river':2
                                   'search_artist'  'roberta':1 'sherwood':2
                                  'search_release'  '29911':4 '45':1 'decca':3 'rpm':2
                                     'search_rest'  '00oldiepop':5 '1956':6 '317':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':13 '1956':14 '29911':8C '317':15 '45':5C 'country':12 'decca':7C 'exotica':10 'jazz':9 'lazy':1A 'oldies':11 'prerock':16 'river':2A 'roberta':3B 'rpm':6C 'sherwood':4B 'unsorted':17
                                    'tag_tracknum'  317
                                      'num_images'  0
                                             'key'  8A
                                           '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-1', 'q-other-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'lobest']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387594.112587  (2021-05-07 13:39:54)
                             'size'  5183718