======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '190'
                                          'artist'  'Gordon MacRae'
                                     'text_people'  ''
                                         'release'  'US-Billboard-Charts'
                                           'title'  'Face To Face'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['male vocalists', 'classic hollywood', 'jazz', 'smooth jazz', 'male jazz "
 "vocal']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '169'
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '143.925'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '54-354 POS 30'
'COMM:ID3v1 Comment:XXX'                            '54-354 POS 30'
'TALB' (Album/Movie/Show title)                     'US-Billboard-Charts'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Face To Face'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gordon MacRae'
'TRCK' (Track number/Position in set)               '169'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['male vocalists',
 'classic hollywood',
 'jazz',
 'smooth jazz',
 'male jazz vocal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                        '+2.47 dB'
'TXXX:replaygain_track_peak'                        '0.298590'

========================== row from database ==========================
                                              'id'  1444903
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-354 - Gordon MacRae - Face To Face.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  190
                                           'genre'  prerock-unsorted
                                        'filesize'  7604416
                                           'mtime'  1620387439
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 54 354 prerock unsorted
                                      'tag_artist'  Gordon MacRae
                                     'tag_release'  US-Billboard-Charts
                                       'tag_title'  Face To Face
                                             'bpm'  143.925
                                    'search_title'  'face':1 'to':2
                                   'search_artist'  'gordon':1 'mac':3 'macrae':2 'rae':4
                                  'search_release'  'billboard':2 'charts':3 'us':1 'usbillboardcharts':4
                                     'search_rest'  '00oldiepop':5 '1954':6 '354':8 '54':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':15 '1954':16 '354':18 '54':17 'billboard':8C 'charts':9C 'country':14 'exotica':12 'face':1A 'gordon':3B 'jazz':11 'mac':5B 'macrae':4B 'oldies':13 'prerock':19 'rae':6B 'to':2A 'unsorted':20 'us':7C 'usbillboardcharts':10C
                                    'tag_tracknum'  169
                                      'num_images'  0
                                             '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-1', 'q-other-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['male vocalists', 'classic hollywood', 'jazz', 'smooth jazz', 'male jazz vocal']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387438.5449836  (2021-05-07 13:37:18)
                             'size'  7604416