======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '179'
                                          'artist'  'Gogi Grant'
                                     'text_people'  ''
                                         'release'  'Her Very Best'
                                           'title'  'The Wayward Wind'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', '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'  "['oldies', 'jazz', 'female vocalists', 'pop', '60s']"
                                     'discogstags'  "['vocal', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '003'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '129.813'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Her Very Best'
'TBPM' (BPM (beats per minute))                     '129.813'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'The Wayward Wind'
'TKEY' (Initial key)                                '1B'
'TLEN' (Length)                                     '179278'
'TPE1' (Lead performer(s)/Soloist(s))               'Gogi Grant'
'TPUB' (Publisher)                                  'Varese'
'TRCK' (Track number/Position in set)               '003'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['vocal', 'pop']
'TXXX:lastfmtags'                                   ['oldies', 'jazz', 'female vocalists', 'pop', '60s']
'TXXX:q-bass'                                       '1'
'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'                        '+2.37 dB'
'TXXX:replaygain_track_peak'                        '0.452576'

========================== row from database ==========================
                                              'id'  1449375
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-003 - Gogi Grant - The Wayward Wind.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  179
                                           'genre'  prerock-unsorted
                                        'filesize'  7173183
                                           'mtime'  1620387558
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 003 prerock unsorted
                                      'tag_artist'  Gogi Grant
                                     'tag_release'  Her Very Best
                                       'tag_title'  The Wayward Wind
                                             'bpm'  129.813
                                    'search_title'  'the':1 'wayward':2 'wind':3
                                   'search_artist'  'gogi':1 'grant':2
                                  'search_release'  'best':3 'her':1 'very':2
                                     'search_rest'  '00oldiepop':5 '1956':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':13 '1956':14 'best':8C 'country':12 'exotica':10 'gogi':4B 'grant':5B 'her':6C 'jazz':9 'oldies':11 'prerock':15 'the':1A 'unsorted':16 'very':7C 'wayward':2A 'wind':3A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1B
                                           '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-1', 'q-grit-1']
                                      'lastfmtags'  ['oldies', 'jazz', 'female vocalists', 'pop', '60s']
                                        'tag_date'  1956
                                     'discogstags'  ['vocal', 'pop']

============================== file details ==============================
                                           'mtime'  1620387558.4844434  (2021-05-07 13:39:18)
                             'size'  7173183