======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '146'
                                          'artist'  'The Ames Brothers'
                                     'text_people'  ''
                                         'release'  'HMV B10543'
                                           'title'  'My Love My Life My Happiness'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'ames brothers', 'jazz', '50s', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1953'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '145.476'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'HMV B10543'
'TBPM' (BPM (beats per minute))                     '145.476'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1953'
'TIT2' (Title/songname/content description)         'My Love My Life My Happiness'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ames Brothers'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'ames brothers', 'jazz', '50s', 'pop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+0.64 dB'
'TXXX:replaygain_track_peak'                        '0.469366'

========================== row from database ==========================
                                              'id'  1452259
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1953/Ames Brothers - My Love My Life My Happiness 24-10-1953.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  146
                                           'genre'  prerock-vocal
                                        'filesize'  2928434
                                           'mtime'  1642081278
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1953 24 1953 prerock vocal
                                      'tag_artist'  The Ames Brothers
                                     'tag_release'  HMV B10543
                                       'tag_title'  My Love My Life My Happiness
                                             'bpm'  145.476
                                    'search_title'  'happiness':4 'life':3 'love':2 'my':1
                                   'search_artist'  'ames':2 'brothers':3 'the':1
                                  'search_release'  'b10543':2 'hmv':1
                                     'search_rest'  '00oldiepop':5 '1953':6 '24':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'vocal':9
                                    'search_combo'  '00oldiepop':14 '1953':15 '24':16 'ames':6B 'b10543':9C 'brothers':7B 'country':13 'exotica':11 'happiness':4A 'hmv':8C 'jazz':10 'life':3A 'love':2A 'my':1A 'oldies':12 'prerock':17 'the':5B 'vocal':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['oldies', 'ames brothers', 'jazz', '50s', 'pop']
                                        'tag_date'  1953
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642081277.6702497  (2022-01-13 14:41:17)
                             'size'  2928434