======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '199'
                                          'artist'  'Semprini (piano solo)'
                                     'text_people'  ''
                                         'release'  'HMV B10470'
                                           'title'  'Malaguena'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', '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-4', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '132.531'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'HMV B10470'
'TBPM' (BPM (beats per minute))                     '132.531'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Malaguena'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Semprini (piano solo)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'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'                                      '4'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.75 dB'
'TXXX:replaygain_track_peak'                        '0.634561'

========================== row from database ==========================
                                              'id'  1430231
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/Semprini (piano solo) - Malaguena 1954.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  199
                                           'genre'  prerock-unsorted
                                        'filesize'  3993398
                                           'mtime'  1621698203
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 1954 prerock unsorted
                                      'tag_artist'  Semprini (piano solo)
                                     'tag_release'  HMV B10470
                                       'tag_title'  Malaguena
                                             'bpm'  132.531
                                    'search_title'  'malaguena':1
                                   'search_artist'  'piano':2,3 'semprini':1 'solo':4,5
                                  'search_release'  'b10470':2 'hmv':1
                                     'search_rest'  '00oldiepop':5 '1954':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':13 '1954':14 'b10470':8C 'country':12 'exotica':10 'hmv':7C 'jazz':9 'malaguena':1A 'oldies':11 'piano':3B,4B 'prerock':15 'semprini':2B 'solo':5B,6B 'unsorted':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698202.5730467  (2021-05-22 17:43:22)
                             'size'  3993398