======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '164'
                                          'artist'  'Jack McDuff'
                                     'text_people'  ''
                                         'release'  'Prestige 273 45rpm'
                                           'title'  'Rock Candy'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-3', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'funk', 'organ', 'blues', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1963'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '102.905'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Prestige 273 45rpm'
'TBPM' (BPM (beats per minute))                     '102.905'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1963'
'TENC' (Encoded by)                                 'Vinyl Encode by day53'
'TIT2' (Title/songname/content description)         'Rock Candy'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack McDuff'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'funk', 'organ', 'blues', 'soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.436663'

========================== row from database ==========================
                                              'id'  735757
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Jack McDuff - Rock Candy .mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  164
                                           'genre'  set-th-candy
                                        'filesize'  1969181
                                           'mtime'  1620343116
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets set th candy
                                      'tag_artist'  Jack McDuff
                                     'tag_release'  Prestige 273 45rpm
                                       'tag_title'  Rock Candy
                                             'bpm'  102.905
                                    'search_title'  'candy':2 'rock':1
                                   'search_artist'  'duff':4 'jack':1 'mc':3 'mcduff':2
                                  'search_release'  '273':2 '45rpm':3 'prestige':1
                                     'search_rest'  'candy':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':6 'sweets':5 'th':7
                                    'search_combo'  '273':8C '45rpm':9C 'candy':2A,17 'country':13 'duff':6B 'exotica':11 'jack':3B 'jazz':10 'mc':5B 'mcduff':4B 'oldies':12 'prestige':7C 'rock':1A 'set':15 'sweets':14 'th':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'funk', 'organ', 'blues', 'soul']
                                        'tag_date'  1963
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343116.282426  (2021-05-07 01:18:36)
                             'size'  1969181